Tasty Mystery Baskets of Clips

I don't even know what I'd do with a hangman if I got one.
He was dying.
AMO!
But it's locked from this side.
[Both gasp]
How's your rose water?
Pick a letter.
Show us what you did, hangman!
So, hey, uh, gwampa, feels too quiet in here.
I mean, I'm just a little baby kid still...
If the two of us work together,
What haven't we guessed yet? "B."
BMO: Imposter!