Mister Roberts/Funny

The crew's reaction to finding out the hated palm tree is gone. They all start praying in gratitude to its departure.
Pulver's plan to stick a firework under the hated Morton as part of the crew's celebration when news of the War in Europe being over. The firework blows up Pulver's laundry room instead, spilling soap bubbles everywhere.
Doc's handling of the long line of the crew who show up at his door every day trying to trick him into letting them off duty with a sick pass:

Reber: Say, Doc, when I woke up this morning, I had...
Lt. 'Doc': And remembered you were working cargo. Continue.
Reber: [holds his side] Honest, Doc, I couldn't even straighten up! I guess it's the old appendix again, huh, Doc?
Lt. 'Doc': That appendix of yours certainly gets around, Reber. Now it's on the wrong side. Two aspirin, marked for duty. Next.

Reber: Aspirin!? For a floatin' appendix, Doc?

Lt. 'Doc': Yes, it's the latest thing. I'll have one with you.

The scene of Doc and Roberts using their expertise to fashion a fake bottle of scotch so Pulver can impress a nurse he'd invited to the ship for a drink.