Transformers Prime : Ghosts of a Spark

An old friend has returned to the Autobots, with a quest involving the Decepticons 2nd in Command; restoring Starscreams split spark. Optimus hopes the treacherous con may again become the air commander he once was and a vital ally to the Autobots but this proves to be harder than first thought: The sparks have taken new identities ... and they are not going back!