Frasier, Season 10

[Frasier, Niles, and Leland are singing the Major-General's song. Martin tries to fit in.]

Leland:
About binomial theorem, I'm teeming with a lot o' news, with many cheerful facts about the square of the hypotenuse.

All:
With many cheerful facts about the square of the hypotenuse, with many cheerful facts about the square of the hypotenuse, with many cheerful facts about the square of the hypotenuse-

Martin:
With many awful facts about the scary hippopotamus!