[Homer and Bart cycle up the dome, preparing to throw the bomb out through the hole at the top]

Homer... I'm sorry I said I wished you weren't my father.

That's all right, son. I wasn't much of a father. I guess it started with the way my dad raised me... [realising] Yes, I see it all now! It's just been a never-ending cycle of--

[through megaphone]

SOMEBODY THROW THE GODDAMN BOMB!!!