The BEST episodes written by Frank Welker

#1 - Darkness Rising (4)

Transformers: Prime - Season 1 - Episode 4

The kids, along with Bulkhead, Arcee and Bumblebee storm the Decepticon ship to rescue Agent Fowler, and come across the blueprints for a secret plan. During this, Optimus Prime and Ratchet fight against Megatron's army of undead Transformers.