After some security concerns after a break in, Sheldon finds himself sneaking out on his ledge.
Rating: 5.0 / 5.0
When Sheldon is embarrassed by Kripke on National Public Radio, Sheldon comes to comfort his friend.
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
Penny returns Sheldon to Leonard after their trip to Disney Land. The couple is sharing custody over the nerd.
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
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
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
Penny and Leonard's mom, Beverly (Christine Baranski) go for some shots of tequila at the Cheesecake Factory.
Rating: 5.0 / 5.0
Sheldon tries to attack Leonard with his mind when he goes to give a presentation that Sheldon does not approve of.
Rating: 5.0 / 5.0
On Valentine's Day, Sheldon kisses Amy on a vintage train ride after a disastrous dinner.
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

TBBT Quotes

Sheldon: Why do you have the Chinese character for "soup" tattooed on your right buttock?
Penny: It's not "soup," it's "courage."
Sheldon: No it isn't. But I suppose it does take courage to demonstrate that kind of commitment to soup.
Penny: How'd you see it? You said you wouldn't look.
Sheldon: Sorry. As I told you, the hero always peeks.

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