Wow, you really are a Genius
You're say you're Special Agent...
Season 6 Episode 17 – The Monster Isolation
Professor Proton, the only...
Season 7, Episode 1 - The Hofstadter Insufficiency
Season 3 Episode 01 – The Electric Can Opener Fluctuation
Season 2 Episode 02 – The Codpiece Topology
Penny: Oh, gee, well, thankyou for that. But, um, I think for now Leonard and I are just going to stay friends.
Sheldon: No, that response is unacceptable to me.