When Rumble throws Robbie to the ground, he lands on his back. However, in the next shot he spits out some dirt as if he was thrown face-first.
When Rumble selects the taco, the ensuing message says "aquired" rather than "acquired".
When Rumble unleashes his Fist Punch Rain, before the close-up Dipper loses health two separate times despite only being hit once. He is then hit once more during the close-up, which should have finished him off because he had very little health left, but afterwards he still has as much health as before the close-up.