The Planeteers have little time to track down a radioactive isotope that was released by two capsules from an old chemotherapy machine. But where there's radioactivity, there's Duke Nukem, and he's already got his hands on one of the capsules. Now the Planeteers must find the two little children that took the other capsule before Nukem does.
Elenco: Frank Welker , Joey Dedio , LeVar Burton , Whoopi Goldberg , Janice Kawaye , Kath Soucie , Scott Menville , Buster Jones , Clyde Kusatsu , David Warner , Dean Stockwell , Edgar Gilbert , George Hearn , James Coburn , Jim Cummings , Lewis Arquette , Margot Kidder , Martin Sheen , Tim Curry , Whoopi Goldberg .