3. Guest Stars
The Big Bang Theory certainly boasts some impressive special guests to have appeared on the show such as Comic book genius Stan Lee, the world's smartest man Stephan Hawking, Charlie Sheen, George Takei, Mike Massimino, Steve Wozniak, Buzz Aldrin, Summer Glau and Will Wheaton in a recurring role. Friends however, is literally a who's who of Hollywood with some of the biggest stars in the world lending their talents. Robin Williams, Billy Crystal, Danny DeVito, Brad Pitt, Gary Oldman, Ben Stiller, Hugh Laurie, George Clooney, Jay Leno, Ralph Lauren, Jean Claude Van-Damme and Sean Penn all had cameos over the 10 seasons. Rachel's sisters were played by Reese Witherspoon and Christina Applegate and she dated Bruce Willis. Phoebe's boyfriend (in the last few seasons) was played by Paul Rudd. Monica dated Tom Selleck. Joey dated Elle Macpherson and Susan Sarandon while Chandler dated Julia Roberts.
Winner = Friends