I just thought that if you were to cryogenically freeze someone's head, some manner of trou may be in order. Liquid nitrogen will knock your icicle right off
Maybe it was Walt Disney's way of keeping it PG. If all the animals talk, it's obviously a drug reference, but if some of them don't, then it's just a kids' story.
it was sanctioned by the government so kids grew up knowing it was ok to talk to the goody two-shoes rat. training kids to be snitches at an early age.