Need help finding a Transformers Stop Motion video

I am looking on youtube for a Transformers stop motion series That I watched a long time ago on youtube, but I forgot the name. When I last watched it, it had two episodes out. All that I remember is that in episode 1, Bumblebee is killed and Optimus blows up a ship to kill Megatron, but he gets demoted because of this. And in episode 2, I remember that Sideswipe and Cliffjumper go to a Neutral zone on cybertron to look for Sideswipes friend or brother. I also remember their being a part where Ratchet comes across a damaged Arcee and puts her spark in a new body. Also, Megatron is alive and is repaired by Shockwave, brought back online and procedes to desstroy the neutral zone before Springer and Optimus arrive and the episode ends.

Does anyone know about these episodes. If you do, could you tell me?

I would appreciate it very much.