The Transformers S1.E12 Countdown to Extinction

O.A.D. December 1, 1984
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Starscream plans to destroy Earth to gather energy from the destruction and make Cybertron his. He sets a timer in Dr. Arkeville's lab. Dr. Arkeville tries to save Earth, but only Decepticons can use their computer. Optimus shoots a pebble from Megatron's gun form, making Starscream return to Earth where he is punished by Megatron.