Be sure to watch The Big Bang Theory Season 8 Episode 20 online right here via TV Fanatic to join in on all the fun with Sheldon, Leonard, Penny, Amy, Howard and the rest of the gang.

Find out what happens when Sheldon is disappointed to be left out of an important science event, and Amy tries to cheer him up. What does she do to make him feel better, and does it work? Meanwhile, Howard is in for a major surprise. What is it? And how could it affect the rest of the group? Watch The Big Bang Theory Season 8 Epiosde 20 online to see for yourself!

And Penny joins Wil Wheaton for a podcast on this episode, but finds herself at odds with Leonard. Why? And how will their conversation affect their relationship? Leonard also finds out some very surprising, and disappointing news that makes him sees things a bit differently.

Amidst all the laughs are some very serious conversations. It's another can't miss episode, so be sure to watch The Big Bang Theory Season 8 Episode 20 online right here via TV Fanatic! What are you waiting for? We give you plenty of different ways to watch.