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90 Justice League Trivia Questions, Answers, and Fun Facts

How much do you know about Justice League? This category is for trivia questions and answers related to Justice League (Television). Each one is filled with fun facts and interesting information.
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1 Star Boy, Saturn Girl and Brainiac 5 are members of what crimefighting team?
Answer: Legion of Superheroes

The three of them were defending their home base, and a time-travel device from, Tharok, Persuader and Mano, who were members of the Fatal Five in the opening scene of the movie. They failed and Star Boy returned to the past with the three villains in an attempt to stop them.
  From Quiz: Justice League Vs. The Fatal Five
2 In the episode "Injustice For All", which villain does not appear?
Answer: Sinestro

Lex Luthor started the group to kill the Justice League. He hired Cheetah, The Shade, Solomon Grundy, Star Sapphire, Copperhead, and Ultra-Humanite. The Joker volunteered to help Lex capture Batman.
    Your options: [ Lex Luthor ] [ The Shade ] [ Sinestro ] [ The Joker ]
  From Quiz: Villains of Justice League
3 In the episode "Hawk and Dove" the JLU fights against which Greek god?
Answer: Ares

In this episode Ares creates an invulnerable suit of armor to start a war!
    Your options: [ Hades ] [ Ares ] [ Hermes ] [ Apollo ]
  From Quiz: "Justice League Unlimited": Seasons 3-5
4 Which founding member of the Justice League returned in series 1 of 'Justice League Unlimited' after leaving at the end of series 2 of the 'Justice League'?
Answer: Shayera

Hawkgirl left at the end of the second series of 'Justice League' due to her involvement in the Thanigarian invasion of Earth. When 'Justice League Unlimited' reached the end of the first series, she rejoined and became Shayera instead of Hawkgirl because everyone on Earth found out her identity during the Thanigarian invasion.
    Your options: [ Green Lantern ] [ Shayera ] [ Wonder Woman ] [ The Flash ]
  From Quiz: 'Justice League Unlimited' Season 1
5 In the episode 'Divided We Fall', the founding members battled one of the ultimate villains. Which of them ultimately was the one who beat him?
Answer: The Flash

The Flash ran so fast he was going round the world repeatedly in just a few seconds. Due to the force of the hit he was giving Brainiac, he destroyed him. Even though he beat Brainiac, he nearly lost his life in the process.
    Your options: [ Green Lantern ] [ Batman ] [ Superman ] [ The Flash ]
  From Quiz: 'Justice League Unlimited' Season 2
6 Who is the leader of the Justice League?
Answer: Superman

Superman can die from kryptonite. He will lose his powers if the sun turns red.
  From Quiz: Easy "Justice League" quiz
7 Who was the first Justice League member to see Star Boy?
Answer: Batman

Star Boy, thinking people were afraid of his costume, had hidden it, so he was running around naked and afraid. He was afraid because his medicine was wearing off, leaving him confused. Batman confronted him and stopped him as if he were a common criminal. Kevin Conroy voiced Batman and Elyes Gabel voiced Star Boy.
  From Quiz: Justice League Vs. The Fatal Five
8 Who was the main villain in "Only A Dream"?
Answer: Doctor Destiny

Copperhead, Firefly, and Solomon Grundy all appeared in the episode but were only minor villains.
  From Quiz: Villains of Justice League
9 "The Greatest Story Never Told" is an episode featuring which Justice League member?
Answer: Booster Gold

Though the episode does feature Booster Gold he is constantly mistaken for the Green Lantern.
    Your options: [ Blue Beetle ] [ Booster Gold ] [ Green Lantern ] [ Red Tornado ]
  From Quiz: "Justice League Unlimited": Seasons 3-5
10 Who said, "You overplayed your part, yo"?
Answer: Batman

Batman picked up on Clayface's disguise all too easily. The Secret Society could have been a precursor to the Legion of Doom, which made an appearance in season 5.
  From Quiz: 'Justice League' And 'J. L. Unlimited'
11 Supergirl gets cloned. Supergirl sees herself doing horrible things in her dreams. What is the name of her clone?
Answer: Galatea

Galatea was cloned from Supergirl's DNA when Supergirl was said to have been badly hurt by Superman. They cloned her so they had a superhero on their side should the Justice League ever go rouge. She was also the main weapon behind project Cadmus.
  From Quiz: 'Justice League Unlimited' Season 1
12 Which member of the Justice League did Superman fight while rescuing Question near the end of the second series of 'Justice League Unlimited'?
Answer: Captain Atom

Captain Atom was a captain in the air force. The air force told him to leave the Justice League because they wanted him to protect the area where project Cadmus was being developed. When Superman tried to leave with Question and Huntress, Captain Atom had to fight Superman because his superiors ordered him to not let Question leave Cadmus.
    Your options: [ Green Arrow ] [ Batman ] [ Supergirl ] [ Captain Atom ]
  From Quiz: 'Justice League Unlimited' Season 2
13 Who is the fastest character?
Answer: The Flash

The Flash has an ultra-high metabolism so he has to eat a lot of food.
  From Quiz: Easy "Justice League" quiz
14 For a brief period early in the episode, the plot seems to have been inspired by one of the live-action 'Superman' movies. Which one is it?
Answer: 'Superman IV: The Quest For Peace'

Superman addresses the 'World Assembly' (obviously a stand-in for the real-life United Nations) and states that he plans to eradicate every nuclear missile in the world. A nearly identical declaration was made by the Man of Steel in 'Superman IV: The Quest For Peace,' and much of the subsequent plot (using that word loosely) focused on nuclear disarmament in general, and Superman's plan to enforce it in particular.
    Your options: [ 'Superman IV: The Quest For Peace' ] [ 'Superman II' ] [ 'Superman: The Movie' ] [ 'Superman III' ]
  From Quiz: 'Justice League' Animated: 'Secret Origins'
15 Which version of the Green Lantern is in the movie?
Answer: Jessica Cruz

Jessica Cruz got her ring after she survived an attempted murder. She and her friends had come across a man burying two bodies and he snapped and killed them all, except her. She spent years trying to come to terms with that before Wonder Woman finally convinced her to join the Justice League. Diane Guerrero voiced Jessica.
    Your options: [ Jessica Cruz ] [ Simon Baz ] [ Kyle Rainer ] [ John Stewart ]
  From Quiz: Justice League Vs. The Fatal Five
16 Who were the members of the Superman revenge squad in the episode, "Hereafter"?
Answer: Metallo, Livewire, Toyman, Weather Wizard and Kalibak

The Superman revenge squad that was introduced in the start of the episode was Metallo, Livewire, Toyman, Weather Wizard and Kalibak. Toyman went a little crazy with his gun and threatened to fire at Wonder Woman and Batman because he kept missing Superman. Superman tried to save WW and Batman by diving in the middle and was presumed dead by everyone. In reality, he had been transported 1000 years into the future where only one man still lived - Vandal Savage. Other villains that also appeared in the episode to take advantage of Superman's death are Copperhead, Star Sapphire, Volcana and Deadshot.
  From Quiz: The Leaguers
17 In the episode "Hereafter", which villain kills Superman?
Answer: None of these

Toyman just sent Superman into the future with his machine.
    Your options: [ Metallo ] [ Toyman ] [ None of these ] [ Lobo ]
  From Quiz: Villains of Justice League
18 In the episode "The Return" who is Amazo trying to kill?
Answer: Lex Luthor

Amazo has the power to absorb other super powers. Instead of killing Lex he ends up going with Dr. Fate to find his purpose in life.
  From Quiz: "Justice League Unlimited": Seasons 3-5
19 Who 'saved everyone' in the episode 'Eclipsed'?
Answer: Flash

Flash was digging a deep hole with his endorsements during this episode. But, at the end, Flash realized that no endorsement could ever repair his reputation.
  From Quiz: 'Justice League' And 'J. L. Unlimited'
20 In the episode 'Once And Future Thing', which three members traveled in time?
Answer: Wonder Woman, Green Lantern and Batman

Chronos was your ordinary guy except he liked to collect things and, using a time machine he had invented, he tried to steal Batman's utility belt. To stop Chronos from disturbing the timeline, Wonder Woman, Batman and Green Lantern followed him through the time hole.
    Your options: [ Wonder Woman, Batman and Martian Manhunter ] [ Wonder Woman, Green Lantern and Batman ] [ Green Lantern, Shayera and Superman ] [ Batman, Superman and Green Lantern ]
  From Quiz: 'Justice League Unlimited' Season 1
21 Which new member of the Justice League trained most of the new recruits?
Answer: Wildcat

You find this out because in the first episode of the second series of 'Justice League Unlimited', Black Canary tell the Green Arrow why Wildcat is so important to her. It is because he trained her and most of the other new member of the Justice League. She views him as her mentor and, in a way, a kind of father figure.
    Your options: [ Captain Atom ] [ Green Arrow ] [ Question ] [ Wildcat ]
  From Quiz: 'Justice League Unlimited' Season 2
22 Which character has a powerful ring?
Answer: Green Lantern

The Flash calls him G.L. for short.
    Your options: [ Batman ] [ The Martian Manhunter ] [ Superman ] [ Green Lantern ]
  From Quiz: Easy "Justice League" quiz
23 The actor providing the voice of Flash is also (as of November 2001) involved in another television show featuring superhumans. What show is it?
Answer: 'Smallville'

Michael Rosenbaum, the voice of Flash, can be seen weekly as Lex Luthor on the WB series 'Smallville,' which focuses on the teenage years of Clark Kent, the future Superman.
  From Quiz: 'Justice League' Animated: 'Secret Origins'
24 Why couldn't Mister Terrific open the time ship?
Answer: It was out of phase.

He'd spent a long time trying to figure out what it was, unsuccessfully. While talking with Superman, he realized it was out of phase with their time, and managed to pull it back into phase, and then quickly open it. Setting up a fight between him and Superman against three of the Fatal Five members who had stolen the ship. Kevin Michael Richardson played the role of Mister Terrific.
  From Quiz: Justice League Vs. The Fatal Five
25 What are the names of the two real sons of Darkseid that were shown in the "Justice League" episode, "Twilight"? (spelling counts)
Answer: Kalibak and Orion

Kalibak is the eldest son of Darkseid and appears in the episode "Twilight", as some kind of general in Darkseid's army. He returns in "Justice League" unlimited episodes - "Hereafter" and "Ties that bind". Orion is actually the son of Darkseid but was given to highfather as a sign of peace between New Genesis and Apokolips. Similarly, highfather gave Mister Miracle to Darkseid in the same peace treaty.
  From Quiz: The Leaguers
26 Queen Hippolyta has been a target of many villains' evil plans. How many episodes has she appeared in?
Answer: 3

Queen Hippolyta is Wonder Woman's mother and has appeared in the episodes "Paradise Lost", "Fury", and "Hereafter".
  From Quiz: Villains of Justice League
27 In the episode "Task Force X" which member of the task force is captured by the Justice League?
Answer: Plastique

Plastique is captured after she tries to force an explosive down Atom Smasher's throat.
    Your options: [ Deadshot ] [ Plastique ] [ Clock King ] [ Captain Boomerang ]
  From Quiz: "Justice League Unlimited": Seasons 3-5
28 In the season 2 episode 'Wild Cards', what happened to the last bomb?
Answer: Flash ran it out of the city.

Flash was able to run out of the city with barely 1 second left, proving why they call him Flash. This was also the first installment of the Royal Flush Gang.
  From Quiz: 'Justice League' And 'J. L. Unlimited'
29 In the second episode of 'Once And Future Thing', which member disappeared in the middle of the episode because of Chronos traveling through time?
Answer: Wonder Woman

Chronos altered time so Wonder Woman never left her home of Thymiscyra, island of the Amazons.
    Your options: [ Shayera ] [ Wonder Woman ] [ Green Lantern ] [ Martian Manhunter ]
  From Quiz: 'Justice League Unlimited' Season 1
30 At the end of the second series of 'Justice League Unlimited', what does the Flash say he is going to do to the conference table?
Answer: Paint his logo on it

In the episode 'Divided we Fall', the founding members have to fight the Justice Lords. The Flash tells his alter ego that he has a place at 'the big conference table' and he is going to paint his logo on it.
  From Quiz: 'Justice League Unlimited' Season 2
31 Which character uses a mace and has wings?
Answer: Hawkgirl

Hawkgirl and the Green Lantern were in love. Hawkgirl betrayed the team in the 3-part episode "Starcrossed". However she turned on the Thanagarians when she found out their were going to destroy Earth. After the invasion, Hawkirl went to live with Dr. Fate and eventually got to rejoin the Justice League. In the future, Green Lantern and Hawkgirl have a son named War Hawk.
    Your options: [ The Martian Manhunter ] [ The Green Lantern ] [ Superman ] [ Hawkgirl ]
  From Quiz: Easy "Justice League" quiz
32 Two Justice Leaguers have first names that are very similar. Which ones are they?
Answer: Green Lantern and Martian Manhunter

Green Lantern's real name is John Stewart (although I'm not sure they mentioned his last name in this episode). The Martian Manhunter introduces himself by giving a translation of his Martian name, J'onn J'onzz. J'onn's name is apparently pronounced much like the French 'Jean,' something I never caught in the comic books...which would be hard to do, I guess. =)
    Your options: [ Green Lantern and Martian Manhunter ] [ Wonder Woman and Hawkgirl ] [ Flash and Green Lantern ] [ Martian Manhunter and Flash ]
  From Quiz: 'Justice League' Animated: 'Secret Origins'
33 Who kept trying to join the Justice League, but wasn't impressing Batman early in the movie?
Answer: Miss Martian

She was a teenager and was very keen on joining the Justice League. Because of that, she was a little sloppy at times, and Batman kept admonishing her for not sticking to the plan at times. Daniela Bobadilla played the role of Miss Martian.
At the end of the movie it was revealed she was in the League as a full member after they voted.
  From Quiz: Justice League Vs. The Fatal Five
34 "Justice League" had a crossover episode between season 1 and season 2 called "A League of their Own". The crossover episode was between "Justice League" and which other show?
Answer: Static Shock

The episode "A League of their Own" was based on the league requiring "Static Shock" and his sidekick, Gear's help. However, they are called in an emergency and have to leave both of them alone in a watchtower while a piece of Braniac tries to take over. There was never a crossover episode with "Teen Titans" but a shadow of Nightwing was shown in the episode "Grudge Match". There was also a backdoor pilot to "Legion of Super Heroes" in "Justice League Unlimited" called "Far From Home" in the final season.
    Your options: [ Static Shock ] [ Teen Titans ] [ Batman: the animated series ] [ Legion of Super Heroes ]
  From Quiz: The Leaguers
35 In the episode "Hunter's Moon" who is the third member of Vixen and Hawkgirl's team?
Answer: Vigilante

Vigilante and his six guns tag along for the adventure as he tries to keep Green Lantern's girlfriends out of trouble.
  From Quiz: "Justice League Unlimited": Seasons 3-5
36 When Grundy was revived, who had to kill him because they were the only one able to and also felt it their duty due to their friendship?
Answer: Shayera

Shayera's mace is made of enthmetal which repels magic. Grundy was brought back from the grave using chaos magic and only Shayera's mace could stop him. Also, when Grundy died the first time, Shayera was the one with him when he died and he kind of grew on her. He gave her the nickname 'Birdnose'.
  From Quiz: 'Justice League Unlimited' Season 1
37 Who did Flash, Mr Miracle and Big Barda go to rescue in 'The Ties That Bind'?
Answer: Oberon

Oberon is the mentor to Mr Miracle and Big Barda. Evil Granny takes Oberon in an attempt to manipulate them into helping her to 'restore order to the world', as she puts it. Big Barda disagrees and corrects her by saying 'you mean trying to take it over'.
  From Quiz: 'Justice League Unlimited' Season 2
38 Which character is supersmart and feared by criminals?
Answer: Batman

Batman uses an assortment of gadgets.
    Your options: [ Superman ] [ The Green Lantern ] [ The Martian Manhunter ] [ Batman ]
  From Quiz: Easy "Justice League" quiz
39 What did the Justice League call their headquarters?
Answer: Watchtower

The name was mentioned several times in the movie. Notably when Miss Martian said she'd been there several times before, though not as a member of the League, and again when Green Lantern and Star Boy were told to stay in the Watchtower while the League went to fight the Fatal Five.
  From Quiz: Justice League Vs. The Fatal Five
40 In the season 4 episode 'Divided We Fall' Brainiac/Luthor were able to gather nanotechnology from a previous "Justice League" Episode. Which episode was it, and what did Batman refer the Nanotechology as?
Answer: Dark Heart, Dark Heart

Cadmus recovered the Dark Heart, but they couldn't get any of it to work again. 'Are you willing to bet Brainiac cant'?
    Your options: [ Dark Heart, Dark Heart ] [ Ultimatum, Dark Heart ] [ Dark Heart, Nanotech ] [ The Greatest Story Never Told, Nanotech ]
  From Quiz: 'Justice League' And 'J. L. Unlimited'
The rest of the questions and answers can be found in our quizzes here:
Justice League Quizzes