Sheldon can now die happy. On this episode of The Big Bang Theory, he meets Stephen Hawking!
Rating: 5.0 / 5.0
After some security concerns after a break in, Sheldon finds himself sneaking out on his ledge.
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 and Leonard come outside to see Sheldon trapped by a net from the security system they installed.
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
Sheldon takes charge of the paintball team on the season five opener. Is this really a good idea?
Rating: 5.0 / 5.0
When Penny spends the night at Leonard's she ends up ruining oatmeal day by cooking french toast. How dare she?
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
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
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
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
This is awkward for everyone. Raj and Penny stand in front of the boys on the fifth season premiere.
Rating: 5.0 / 5.0

TBBT Quotes

Sheldon: Why do people cry at weddings?
Mary: They're practicing for what's coming later.

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