Blast off! The Soviet Space Program's first dog in space, a terrier named Laika, is sucked through a wormhole onto Planet Gersbach - home to tiny but intelligent people. Naturally, the Gersbacians assume Laika represents Earth's dominant species. The danger: years later, a mysterious Disturbance Of Gravity (D.O.G.) emanates through the wormhole from Earth and threatens to destroy Gersbach. The mission: Galactanaut Commanders Belka and Strelka are sent to Earth to find and destroy the terrifying threat to their planet. The spacecraft looks exactly like a terrier! Blending in with the locals should be no problem. The challenge: Belka and Strelka must stop the diabolical Gersbacian Colonel Bars who, along with his squad of killer fleas, has hijacked a Dachshund craft to control the D.O.G. for his own evil purposes. But with the help of the Buckleys - a loveable Earth family with big problems of their own - the two brave Galactanauts may still prevail ...