Complex sentence: He uses Skynet to take over Inspector Gadget in order to eliminate Penny, at the same time, MAD Cat comes down with the feline leukemia virus (when Doctor Claw gets a call from the vet) and dies.
Split into simpler sentences: He uses Skynet to take over Inspector Gadget in order to eliminate Penny. At the same time, MAD Cat comes down with the feline leukemia virus (when Doctor Claw gets a call from the vet) and dies.