 Curious, Bugs asks Marvin what he is up to, and Marvin explains he is there to blow up the earth.Bugs is initially not concerned, until he realizes the severity of the situation and steals from Marvin the missile's fuel source, a Uranium PU-36 Explosive Space Modulator, a small device resembling, and that operates the same as, a mere stick of dynamite.He shortly has to then deal with Marvin's Martian dog, named K-9, who, as ordered to by Marvin, retrieves it while Bugs is distracted trying to send an SOS to Earth.