You can watch the full episode on streaming platforms like Apple TV or HBO Max . The Cornhusker Vortex | The Big Bang Theory Wiki | Fandom

is the sixth episode of the third season of the CBS sitcom The Big Bang Theory . It originally aired on November 2, 2009. Plot Summary

: Story by Bill Prady and Steven Molaro; Teleplay by David Goetsch and Richard Rosenstock.

: After discovering that Penny is hosting a party to watch a Nebraska Cornhuskers football game and didn't invite him, Leonard fears she is embarrassed by him. To prove he can fit in, he decides to learn about football. He eventually seeks help from Sheldon, who has an encyclopedic knowledge of the sport due to his upbringing in Texas, where his father forced him to watch games. During the party, Leonard’s over-eager recitation of rules and mechanics alienates him from Penny’s friends.

The episode follows two primary storylines: Leonard's attempt to fit in with Penny's social circle and a rift in Howard and Raj's friendship.