Here's Julia Louis-Dreyfus and Jerry Seinfeld filming a scene in the Seinfeld diner in 1998:
And here's Jerry Seinfeld doing some crowd work during a show taping:
Here are Friends executive producers Marta Kauffman and David Crane talking about a scene from 1995:
Hello, Matt LeBlanc and Matthew Perry in the back!
Here's show creator and director David Lynch on the set of Twin Peaks in 1990:
Here's Ellen DeGeneres celebrating the 100th episode of Ellen in 1998, alongside Jeremy Piven and David Anthony Higgins:
Here's a look at how reality TV shows, like The Real World: California, were filmed back in the early '90s:
Here's Mackenzie Rosman and Happy the dog on the set of 7th Heaven in 1999:
Here's George Clooney filming a scene for E.R. in 1997:
And here's the cast of E.R. celebrating on set in 1998:
Here's Tim Allen talking to Home Improvement's stage manager, Shawn Shea, in 1999:
Here's the filming of a scene in a Law & Order episode from 1997:
Here's Whoopi Goldberg talking on the set of A Different World with Kadeem Hardison and Jasmine Guy in 1991:
Here's Mayim Bialik and Melissa Manchester filming a scene from Blossom in 1994:
Here's Sarah Michelle Gellar behind the scenes of a 1999 episode of Buffy the Vampire Slayer:
Here's Willie Nelson recording music for a 1997 episode of King of the Hill:
Here's Bob Newhart reading a script on the set of Newhart in 1990:
Here's David Caruso on location for the filming of a 1993 episode of NYPD Blue:
Here's Jennifer Grant and Chuck Norris on the set of Walker, Texas Ranger in 1997:
And finally, here are the hosts of Good Morning America filming an episode in 1992: