Tonton Streaming Transformers: Robots In Disguise (2015) S1E25 - Battlegrounds (1)

In the wake of a coming threat to Earth by Steeljaw's gang, the Primes decide to send Optimus there despite his training not yet complete. As Optimus prepares to return to Earth to face the mysterious "Evil" he's prophesied, the Bee Team must prevent Steeljaw's Pack from teleporting that same threat onto Earth.