The kids discover that Liz is missing — gone off to some mysterious place called Herp Haven. Why has she left them? Thinking Liz is in trouble, the kids go to Herp Haven, where they are transformed into reptiles in order to get inside and past Mr. Herps, the proprietor. Once the kids become reptiles, they find out what it means to be ""cold-blooded"" like Liz.
Elenco: Daniel DeSanto , Stuart Stone , Erica Luttrell , Malcolm-Jamal Warner , Dan Tamberelli , Lily Tomlin , Frank Welker , Whoopi Goldberg , Susan Blu , Edward James Olmos , Andre Ottley-Lorant .