Doctor Proctor and the kids (and the fart powder ) are back with a time traveling bathtub and a very special mission It's another fart-tastic adventure. The Fart Powder was such a successful invention that Doctor Proctor, Nilly, and Lisa couldn't stop there. Next up: a time-travelling bathtub. You just hop in, lather up the Time Soap, and wish for where you'd like to go. Doctor Proctor has plans for this new invention. You see, he...