1. Which pair of actors who appeared on 'Friends' were both in the movie 'Out of Sight'? Steve Zhan and Don Cheadle Don Cheadle and Albert Brooks George Clooney and Albert Brooks George Clooney and Steve Zhan

2. When the Friends went to London for Ross and Emily's wedding the show had a slew of British guest stars, including royalty. What Brit royal made an appearance on 'The One with Ross's Wedding'? Answer: (One Word -- nickname)

3. Before embarking on the role of Phoebe, Lisa Kudrow played a spacey waitress, Ursula, on the NBC show 'Mad About You.' 'Friends' took advantage of this by having Ursula be Phoebe's twin sister. In the first season, two of the characters from 'Mad About You' show up at Central Perk and think Phoebe is Ursula. Who were the two 'Mad About You' actors? Leila Kenzle and Richard Kind Paul Reiser and Helen Hunt Helen Hunt and Leila Kenzle Paul Reiser and John Pankow

4. Speaking of Ursula, in the current (eighth) season who played her fiance, Eric, whom Phoebe falls for? Hank Azaria Jon Favreau Michael Rappaport Sean Penn

5. Which of the leads of 'Sex and the City' appeared on 'Friends' in the seventh season as a girlfriend of Joey's? Kim Catrall Sarah Jessica Parker Cynthia Nixon Kristin Davis

6. Which of the following pairs of actors from the movie 'Ferris Bueller's Day Off' have appeared on 'Friends'? Matthew Broderick and Jennifer Grey Jennifer Grey and Charlie Sheen Alan Ruck and Matthew Broderick Charlie Sheen and Alan Ruck

7. Back to the London episodes: What two actors from the Britcom 'Absolutely Fabulous' appeared in those episodes? Jennifer Saunders and June Whitfield June Whitfield and Jane Horrocks Jennifer Saunders and Joanna Lumley Jane Horrocks and Julia Sawalha

8. In the fifth season, Rachel gets a job with a big name fashion designer. He appears on the show as himself in the sixth season. Who is he? Answer: (Two Words)

9. What actress-model appeared on the show as a crazed 'Days of Our Lives' fan who stalked and dated Joey? Elle MacPherson Brooke Shields Isabella Rossellini Jill Goodacre

10. What veteran actor portrays Monica and Ross's father? Answer: (Two Words)

11. What intense actor appeared on 'Friends' as the drunk actor with whom Joey was filming a World War I-themed movie and whose drinking resulted in Joey barely making it to Monica and Chandler's wedding? Christopher Walken Jack Nicholson Gary Busey Gary Oldman

12. What 80s-era member of the 'Saturday Night Live' cast appeared on 'The One with the Stoned Guy' as the Stoned Guy? Jon Lovitz Dennis Miller Martin Short Jim Belushi

13. In 'The One at the Beach' we learn that Phoebe's mother was not her birth mother. Her birth mother was a friend of her parents (Frank and Lily) named Phoebe. Who played Phoebe's birth mother? Answer: (Two Words)

14. What husband and wife pair each appeared (separately) on 'Friends' before they were married? Christine Taylor and Ben Stiller Jill Goodacre and Harry Connick Jr. Reese Witherspoon and Ryan Phillippe Sarah Michelle Gellar and Freddie Prinze, Jr.

15. What late night television host appeared on 'Friends' as himself, interviewing Chandler's mother about her new romance novel in 'The One with Mrs. Bing'? Craig Kilborn Conan O'Brien Jay Leno David Letterman