Bulkhead plays with Grimlock

Synopsis
Bulkhead is seen uprooting a tree and then throws it high across Dinobot island which Grimlock is chasing after, when he leaps up and chops down on the tree, landing back on the ground Grimlock charges back to Bulkhead to which the pair stare at each other for a few seconds, before Grimlock puts the tree down and states to Bulkhead excitedly “me grimlock like fetch   Let’s play again” waging his tail like a dog and a leaving Bulkhead completely confused.

And he calls Snarl a traitor for being Scrappers pet.