Eskimos Aren't Real: The American Dental Association laugh when Dr. Foley tries to convince them of exactly whats happening to the teeth, favouring their own chicken-squirrel hybrid theory. They further ridicule Foley when he says that he says that he has seen it before in Montreal, derisively asking And where, pray, is this Montreal?
Get Rich Quick Scheme: The boys attempt to use the tooth fairy trade for this. However, it's revealed that there is an entire organization based around this scam and because of this, it wasn't an original idea from them.
The Mafia: The kids in the tooth fairy trading organization act in a very Mafioso manner, with Loogie playing the part of The Don.
Running Gag: Cartman's constant use of the word "tits".
They Killed Kenny Again: Loogie and his cronies throw Kenny in the river with cement shoes, although the water is not deep enough to drown him at first. He tries hopping to shore only to reach a depression which pulls him under.
Trope 2000: This is the first of four episodes from Season 4 (albeit the second produced) to have "2000" in its title.
Verbal Tic: Cartman keeps saying "tits" throughout this episode.