Decepticon Island (Part 1)

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"Decepticon Island (Part 1)"
Production company	Hasbro Studios
Airdate	April 16, 2016 (United Kingdom)
Animation studio	Polygon Pictures

After the two teams are reunited, the Autobots get support from an old friend and discover the Decepticon island. Unexpectedly, they meet Steeljaw leading a Decepticon army.

Featured characters

(Numbers indicate order of appearance.)

Notes

Continuity notes

• Ratchet was last seen on Cybertron during the events of Predacons Rising. In the season 3 ifnale "Deadlock", Ratchet announced his intention to stay on Earth for a time to help out Unit: E. Ratchet's narration implies that he Earth for good at some point and returned to Cybertron.