This is the second time Agent Fowler has inadvertantly provided a Decepticon with a new vehicle mode. The first was with Skyquake in 'Masters & Students'.
This episode features the debut of Airachnid's Earth-based alternate mode: a comanche helicopter.
Silas: (While searching for info on Jack) Ah, the mother lode.
Airachnid: Government database?
Silas: Social networking page.
Optimus Prime, Bulkhead, Ratchet, Miko, and Raf briefly appear, but have no dialogue in this episode.