Mane 6 watch Escape Room/beaten up by G1 Autobots

Cast
Mane 6: Rainbow Dash, Fluttershy, Twilight Sparkle, Applejack, Pinkie Pie and Rarity

Eric Cartman

Sonic the Hedgehog

Pac-Man

Miles "Tails" Prower

Optimus Prime

Bumblebee

Ironhide

Jazz

Sideswipe