There are a lot of funny moments in TOS, but the one that makes me laugh the most every time I watch the episodes is this one scene from the episode "The Trouble With Tribbles", where Chekov gets owned by Spock twice:
Nimoy is so cool in this scene and I think this is his best performance as Spock EVER!
Which one is the funniest moment in TOS for you?
Nimoy is so cool in this scene and I think this is his best performance as Spock EVER!

Which one is the funniest moment in TOS for you?