The show was initially intended to be focused on Blossom's older brother instead of Blossom herself (played by Mayim Bialik).
Charles Shaughnessy's British accent in the role of Mr. Sheffield was criticized, while Daniel Davis's accent in the role of Niles was more believable. Shaughnessy, however, was actually born in London, UK, while Davis is from Arkansas.
The idea for the show came up while Jerry Seinfeld and Larry David were chatting in a grocery store. They thought that their banter could work, as there was nothing like it on TV.
The character Dana Scully (Gillian Anderson), was inspired by Clarice Starling (Jodie Foster) from 'Silence of the Lambs.' Even Scully's hair color was inspired by Foster's character.
The show actually ended when the producers realized it was too unrealistic that the characters would still be living in the apartment complex.
'ER' was originally written by Michael Crichton (who wrote 'Jurassic Park') as a movie for Steven Spielberg to direct. Studios didn't initially pick it up until NBC showed interest in it some 20 years later.
Paul Reiser's team initially pushed for the show to be called 'Reiser' or 'The Paul Reiser Show,' but execs refused as the show was about a couple. In the end, it was cast member Richard Kind who came up with the name for the show.
Dylan McKay (played by Luke Perry), wasn't supposed to be part of the original core cast. The late actor also auditioned to play Steve Sanders, but Ian Ziering got the role instead.
Ally was supposed to marry Larry Paul (Robert Downey Jr.) in the end of the fourth season, but he had to be cut out from the show earlier due to problems with the law.
Twins Tia and Tamera Mowry were discovered by producers on set, while attending a taping of 'Full House.'
After the show ended, the Bayside High set was repurposed and used again as a school setting for other shows, including 'That's So Raven' and 'iCarly.'
Remember Carlton's (Alfonso Ribeiro) dance? It was inspired by both Courteney Cox's dancing moves in Bruce Springsteen's 'Dancing in the Dark' video, and Eddie Murphy's "the white man dance" from his 'Delirious' comedy show.
John Ritter made a guest appearance and played Amy Yasbeck's ex-husband. Ritter would go on to marry her three years later in real life.
Oscar-winning actress Emma Stone auditioned for the show when she was 12, but didn't get cast.
Sources: (Redbook)
See also: The absolute best films from the ‘90s
The story went that Mary-Kate and Ashley Olsen were cast because they got through the audition without crying.
Jaleel White's character Steve Urkel might have been very popular, but Reginald Veljohnson (who played Carl Winslow) was the only actor on the show to appear in all episodes.
Producers originally wanted to use Alanis Morissette's 'Hand in My Pocket,' instead of Paula Cole's 'I Don't Want to Wait' as the theme song. But they couldn't secure the rights for Morrisette's song.
The majority of the show was actually filmed on a set that was originally built for the 1969 movie 'Hello, Dolly!' in Los Angeles.
David Lynch enjoyed working with Sheryl Lee (who played Laura Palmer) so much, that he wrote another part for her. The role was Palmer's cousin, Maddy Ferguson.
The Russian version of the sitcom, called 'The Voronins,' became the country's most-watched comedy. Local adaptations of the show were also a hit in countries such as Egypt, Israel, Poland, Czech Republic, and the Netherlands.
Richard Karn got to play Al Borland because he was sent to traffic school for a violation. He reportedly found out about the show from an agent who was in his traffic school class.
Set designers spent nearly half a million dollars on Frasier Crane's apartment. A replica of Coco Chanel's couch alone cost US$15,000!
The kids of the cast didn't just play classmates on the show, they actually had a classroom nearby where they worked with teachers when they were not filming.
Both Katie Holmes and Selma Blair were considered to play Buffy. Also, Ryan Reynolds was supposed to play Xander, but he turned down the role.
You might remember the show for launching stars such as Scott Wolf, Matthew Fox, Neve Campbell, Lacey Chabert, and Jennifer Love Hewitt...
But Kate Hudson also had her first acting gig in the show, in a season two episode in 1996, playing a character named Cory.
John Stamos later revealed, however, that the Olsens did cry a lot but things didn't work out with other kids so the producers brought them back.
Do you think you know everything about your favorite '90s TV shows? Think again. In this gallery, we delve into the most popular shows on TV from that definitive decade and bring you a number of fun facts about them. For instance, do you know who inspired Carlton's famous dance on 'The Fresh Prince of Bel-Air?' What about the many titles 'Friends' went through before it first aired?
Click through and discover fun facts you didn't know about your favorite '90s TV shows.
Things you didn't know about your favorite '90s TV shows
Do you know 'Friends' was going to be called 'Six of One'?'
TV Trivia
Do you think you know everything about your favorite '90s TV shows? Think again. In this gallery, we delve into the most popular shows on TV from that definitive decade and bring you a number of fun facts about them. For instance, do you know who inspired Carlton's famous dance on 'The Fresh Prince of Bel-Air?' What about the many titles 'Friends' went through before it first aired?
Click through and discover fun facts you didn't know about your favorite '90s TV shows.