We're at the vet for this scene from The Big Bang Theory. It's from the episode "The Locomotive Manipulation."
On Valentine's Day, Sheldon kisses Amy on a vintage train ride after a disastrous dinner.
Amy and Sheldon plan a trip to the wine country with Howard and Bernadette on The Big Bang Theory. "The Locomotive Manipulation" is the 14th episode of the show's seventh season.

The Big Bang Theory Season 7 Episode 15 Quotes

Leonard: Plus, I'm not sure it's a great idea to take Penny to where wine comes from. [chuckles] What? It's a joke. Oh, come on. We bust on each other. I wear dorky glasses, you might have a problem -- it's all for laughs.
Penny: That would really piss me off if I didn't have a buzz going on.

Amy: I'm sorry, but "Gollum" and "Flakey" are not acceptable.
Sheldon: Well, you don't like "Princess Corncob," you don't like "Fester" -- you're just impossible to please.