Funniest scene ever from a TV show?

I have no idea why, but the scene on Felicity where Noel had an allergic reaction to the Smart Power and freaked out makes me laugh every time I see it.

On scrubs there is this scene where JD and the Janitor are talking. JD was outside the janitor’s bathroom when he was taking a shower. and this conversation was held. (it makes me laugh everytime)
J.D.: Look, uh… Janitor…
[the Janitor rolls his eyes]
J.D.: …I’m gonna be straight with you: I saw your penis, and I noticed a possible melanoma that you should really have checked out.
Janitor: When did you see my penis?
J.D.: Last night, when you were showering.
Janitor: Where were you?
J.D.: Oh, I was outside, in the bushes.
[the Janitor takes a second to process this answer]
Janitor: Uhhh…
J.D.: Look, it was just a coincidence, man – I mean, i-i-if you had looked out the window, you’d have seen my penis, you know!
Janitor: What? Why?
J.D.: Because I had it out while I was looking at yours!

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