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.
Optimus Prime and the Autobots arrive to stop the Decepticons and prevent the time warps from destroying the Earth. Transformers G1 2x15
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 Following the events of Part 1, the Decepticons
Megatron uses the island's raw energy to recharge his forces, causing environmental instability. The Transformers (TV Series 1984–1987) - IMDb Megatron
"Transformers G1 2x15" refers to Season 2, Episode 15 of the original The Transformers animated series, titled .
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.