Darkness Rising Part 1 is the first episode in the mini-series, the series premiere, and the first episode of Transformers Prime: Friendship is Magic.
Optimus Prime and the Autobots investigate the return of the Decepticons while being forced to account for a group of young Equine females who have unwittingly become involved in their centuries-old conflict.
The Energon find/Cliffjumper's death
Autobots Arcee and Cliffjumper have a conversation over the COMM when Cliff picks up an Energon signal. He is then attacked by Vehicons