Shredder experiments with the Inter-Dimensional Portal, hoping to contact Krangs' Rock Soldiers and prepare an invasion of Earth. A group of fun-loving aliens called the Neutrionos, renegades in Krang's dimension, take advantage of the Portal's opening and use it to arrive on Earth.
Elenco: Cam Clarke , Barry Gordon , Townsend Coleman , Michael Gough , Pat Fraley , Tony Jay , Bill Martin , James Avery .