I found a fanfic days ago, it is Transformers Prime/Starscream. This fanfic is awesome, is about Starscream travel to the past, and fix thing that he made. The story is still going, and I wish to share with you!
Name: Stop me
Characters: Starscream(Main), Optimus, Megatron, Knockout, Breakdown, Acree, Bulkhead, Miko, Ratchet, Bumblebee.(Second). Soundwave, Arachnid, Jack, Ralph, MECH, etc.
If you want to see it, here's website:
Hope you like it! See you next time!