B.I. Bartifical intelligence:
The weakest part of the whole episode. As for the ending, I don't think it's funny. It's just... bizzare. Unnecessary. Boring. Unfunny.
Survival of the fattest:
Mr Burns is one of my favorite characters, and this part is the best in my opinion. The plot is very simple, but the conversation in the "hunt room" and character deaths made it very interesting. I could watch this 30 times in a row and still like it.
I've grown a costume in your face:
Everyone says that this is a parody of a classic Twilight Zone episode, The masks. But plots are completely different. I like "The masks" more, but this segment was worthy of appearing on a ThoH episode. The ending is stupid as usual.