The Ultimate Doom, Part 2
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Cybertron's arrival causes disasters on Earth, leaving the Autobots to battle both the Decepticons and Nature.
- Japanese title: "Day of Destruction," Part 2
Summary
As Cybertron arrives, storms and earthquakes begin in earnest. Sparkplug celebrates, despite Spike's attempts to make him see reason. The Autobots try to fight the Decepticons, but Soundwave broadcasts an audio disrupter wave, causing Optimus Prime to order a retreat. Spike watches his father board one of the Seekers, almost appearing distracted. Starscream berates Megatron for allowing the Autobots to escape, but Megatron brushes off the criticism...with a mere choke of Starscream's throat.
Doctor Arkeville notices that the disruption wave interferes with the hypno-chips' control signal and works to correct it, but will need more "materials" (humans) to modify the chips. Megatron contacts Arkeville, who is informed of the situation. After a little experiment on Sparkplug, Arkeville is convinced that he has solved the problem, and Megatron promises that he will have all the slaves they need to gather the energy for Cybertron.
Heading back to base under severe weather conditions, Bumblebee and Spike get separated from the group. Spike is still in a bit of a funk over his dad working with the Decepticons. An earthquake causes a fissure in the ground, which Bumblebee falls into while Laserbeak arrives and takes Spike. Hound, Bluestreak, and Windcharger arrive, rescuing Bumblebee and Spike. Returning to the Autobot base, the Autobots debate how best to handle the situation and decide to send the Dinobots to try and prevent as much destruction as possible. At first, Grimlock could give a frag about the Earth's destruction, until he's reminded that he'd also be on the planet at the time.
At the Decepticon base, Megatron begins sending Seekers to transport energon cubes to Cybertron. Doctor Arkeville is displeased, as they are using his slaves as shields against Autobot aggression. Arkeville warns Megatron the remember their deal: He gets Earth after Megatron is done repowering Cybertron. Megatron promises to keep his word...but does not specify how much of Earth will be left.
At the Autobot base, Spike and Optimus discuss why Sparkplug would work with the Decepticons. Just then, the volcano becomes active. Ironhide manages to cover the lava with an avalanche. Elsewhere, the Dinobots are hurrying to prevent a tidal wave from reaching the shore. Meanwhile, Prime learns that Sparkplug was taken to Cybertron during energon shipments. Spike overhears and asks to go to Cybertron. Skyfire, Wheeljack, Brawn, Trailbreaker, and Bumblebee head to Cybertron, where they try to find any information on the humans. Sneaking into Shockwave's fortress, they discover information about the hypno-chips, but Sparkplug arrives and sounds an alarm.
Stats
Writer: Earl Kress
Major Characters (in order of appearance): Characters
Minor Characters (in order of appearance): Characters
Original Air Date: November 10, 1984
Notes
- This episode is subtitled "Search" in scripts and other official materials.
Technical/Animation Glitches

- Spike isn't wearing a helmet when he tries to help Bumblebee climb up the fissure. However, he's suddenly wearing one just before he's captured by Laserbeak.
- Grimlock's head is the old design when he just shows up with other Dinobots, but it changes to the new design when he's talking to Optimus Prime and Wheeljack.
- On Cybertron, the font in which the words "Hypno Chip Control" are written changes between shots.
Continuity Errors
- Error
Transformers References
- Why would choking Starscream get him to shut up?
- The armor of the Transformers seems to be able to endure the heat of magma for at least brief periods.
Real-World References
- Reference


