4 4 "Darkness Rising, Part 4" Shaunt Nigoghossian Steven Melching December 2, 2010 104 Bulkhead, Arcee and Bumblebee sneak on to the Decepticon warship, the Nemesis , to rescue Agent Fowler, while Optimus Prime and Ratchet fight off Megatron and a horde of Dark Energon zombies. 5 5 "Darkness Rising, Part