Kyle, Bus Lady Cram and others in “Field Trip of Horrors”

Oh, dear. We're trapped on the bus and we're headed for the Glop Mines! Suddenly I don't feel so... [barfs]

This is supposed to be a field trip, isn't it? WELL, START SINGING!

[singing] Ninety-nine buckets of glop on the wall, ninety-nine buckets of glop, if one of those buckets should happen to fall...

[evil laughter]