* Who stands in for Richie (the groom) during his wedding?
* What was one of Richie's favorite TV shows when he was young?
* What does Richie have a lot of in his room at the Cunningham house?
* Where did Richie attend high school and college?
* What sport do Richie and his friends play a lot in the first episode?
* Who becomes Richie's brother-in-law on the very last episode of "Happy Days"?
* Why didn't Fonzie like Leather to begin with?
* How many episodes was Leather in?
* Which of these wasn't a member of Pinky's group?
* How are Leather and Pinky related?
* Who had to go to a reform school?
* This guest star was on episode #161, "The Hucksters". He was a famous baseball player, and he holds a few baseball records. Who is he?
* This is a famous singer who appeared in episode #204, "Poohba Doo Dah". He also appeared on the movie "Grease" as the teen angel. Who is he?
* This guest star was on episode #210, "Tell-Tale Tart", as Mikki. She also became a regular in one of the later seasons. Who is she?
* This person was on episode #107, "Spunkless Spunky" as her/himself. He/she was a well-known doctor then as well as now. Who is he/she?
* This famous guest star was on episode #45, "Richie Fights Back". He/she was also on the movie "Grease", and he/she plays pretty much the same kind of character. Who is this person?
* This very famous guest star was on episode #216, "A Little Case of Revenge." He has been in numerous movies since then, and we know him today as a very popular actor. Who is he?
* This guest star was on episode #108, "Be My Valentine", as Joanie's boyfriend Binky Hodges. He was also a regular on another popular show from the '60s and '70s. Who is this guest star?
* This guest star was on episode #240, "Vocational Education" as a high school teacher at George S. Patton Vocational High School. He was on another classic TV show, earlier than "Happy Days". Who is he?
* This guest star played on episode #38, "Kiss Me Sickly". She played on "Grease" and a few other things also. Her character on this show was named Joyce. Who is she?