Having been "banished" to the island for training in Part 1, the Dinobots eventually join the fight. They prove their worth by leading a charge against the Decepticons and helping to stabilize the island's energy.
Following the events of Part 1, the Decepticons have invaded Dinobot Island to harvest its unique energy sources, leading to unstable "time warps" that bring prehistoric threats into the modern world. Transformers G1 2x15
Optimus Prime and the Autobots arrive to stop the Decepticons and prevent the time warps from destroying the Earth. Having been "banished" to the island for training
The episode is part of the larger Generation 1 (G1) continuity, which includes the 1986 film and subsequent seasons. The Transformers (TV Series 1984–1987) - IMDb Optimus Prime and the Autobots arrive to stop
Optimus Prime, Megatron, the Dinobots (Grimlock, Slag, Sludge, Snarl, Swoop), and various prehistoric creatures. Plot Summary
The Decepticons are driven off, and the Autobots decide to leave the island as a sanctuary for the Dinobots and the prehistoric life there. Legacy & Production
This episode solidified the Dinobots as fan favorites and established "Dinobot Island" as a recurring location in Transformers lore.