Images from the Star vs. the Forces of Evil episode "Monster Arm".
Marco practising his martial arts
Bringing out the magic instruction book for Star's Wand
Star finds the bone healing spell
Marco's arm turned into a tentacle monster arm
Looking for the counter spell
Marco's Monster Arm slaps Lars
"Can I check out that arm?"
The girls love Marco's monster arm
"I did it! I did it! I did it! I DID IT!!!"
"You're gonna fight with that?"
Star is disturbed by Marco's new personality
"Destroy him! Eat his bowels!"