Chomp and Ace have come down with a cold and are afraid of getting a shot from Dr. Drake. The same thing happens to Terry, Spiny, and Tank at Zeta Point. Dr. Z sends Ursula, Zander, and Ed to obtain a dinosaur doctor so they won't have to put up with Helga's cure. Seth decides to help them out by testing a teleporter which brings the Drake household to Zeta Point. Unfortunately, Zoe is in the house as well! Then Ursula summons Tank.