Star vs. the Forces of Evil Season 1 Episode 5
Monster Arm
Marco breaks his arm before a Karate tournament. Star uses her wand to fix it, but accidentally gives him an evil sentient tentacle arm.
Guest Stars
Corey Burton
Monster Arm (voice)
Abby Elliott
Janna Ordonia (voice)
Matt Chapman
Alfonzo (voice)
Nate Torrence
Ferguson (voice)
Joshua Rush
Jeremy Birnbaum (voice)