When Sheldon is embarrassed by Kripke on National Public Radio, Sheldon comes to comfort his friend.
Rating: 5.0 / 5.0
Kaley Cuoco and Mayim Bialik kick back during this Big Bang Theory scene. It's courtesy of the Season 6 premiere.
Rating: 5.0 / 5.0
Wolowitz is desperate to try and keep his new girlfriend, Bernadette (Melissa Rauch) that Penny introduced him to.
Rating: 5.0 / 5.0
Penny returns Sheldon to Leonard after their trip to Disney Land. The couple is sharing custody over the nerd.
Rating: 5.0 / 5.0
Penny and Leonard come outside to see Sheldon trapped by a net from the security system they installed.
Rating: 5.0 / 5.0
Sheldon can now die happy. On this episode of The Big Bang Theory, he meets Stephen Hawking!
Rating: 5.0 / 5.0
In nine seasons of The Big Bang Theory, we've never met Leonard's father. Until now! Chaos ensues when he shows up, along with both Leonard's other and Sheldon's.
Rating: 5.0 / 5.0
Eliza Dushku guest stars on the November 4 episode of The Big Bang Theory. She plays a federal agent.
Rating: 5.0 / 5.0
You gotta love this guest-starring appearance on The Big Bang Theory: that's former sitcom star Mayim Bialik!
Rating: 5.0 / 5.0
Sheldon and Amy are all about spreading gossip in this photo. It's from the episode "The Herb Garden Germination."
Rating: 5.0 / 5.0
Judy Greer guest starred on The Big Bang Theory as Dr. Plimpton, a famous physicist that Sheldon invites to spend the weekend at the place.
Rating: 5.0 / 5.0
That's Katee Sackhoff and that's George Takei. Both guest star as themselves on the episode "The Hot Troll Deviation."
Rating: 5.0 / 5.0

TBBT Quotes

Penny: Hey, Sheldon, did you change your Wi-Fi password again?
Sheldon: Yes, it's "Penny, get your own Wi-Fi." No spaces.

It's very simple. Scissors cuts paper, paper covers rock, rock crushes lizard, lizard poisons Spock, Spock smashes scissors, scissors decapitates lizard, lizard eats paper, paper disproves Spock, Spock vaporizes rock, and, as it always has, rock crushes scissors

Sheldon