Episode Title:Cold Feet.Episode Description:Liz has disappeared and the trail leads to Herp Haven, which is some kind of spa for reptiles. There, they see a woman named Mrs. Wesley ask for her turtle to be "toasted and stuffed, just like the last one." The class has decided to lead a rescue mission to find Liz, on which they learn about reptiles and how they need to move from place to place to get comfortable because they are cold blooded, which comes in handy, as Ms. Frizzle turned them into some.