when Equestria is in danger of an old enemy from the ponies past that is going to destroy them all. Celestia and luna have to summon the most know bronys of the fandom. (jack T. Herbert, Ratchet, SkiddleZIzKewl, bronycurious, anthony c and last of all Danny Williams (from g1 mlp) and Tron. will these bronys save Equestria or will the enemy kill them first.