In the past year, both Loki and Superman have dropped by Sesame Street to teach the beloved characters valuable (and not at all sinister) lessons, and this week it's Magneto's turn. Or is that Gandalf's?

Appearing alongside Sir Cookie Monster, Ian McKellen is tasked with telling young viewers what the word resist means. But considering that Cookie Monster doesn't even know, it's up to the actor to explain, using a couple of vaguely familiar examples.

"Say there was something you really loved, and it pulled you towards it like some sort of powerful magnet," says the Master of Magnetism. "If you were able to control yourself and not go near it, you would resist it."

Unsuccessful in his first attempt, McKellen resorts to a visual aid: a certain Ring. Watch the full segment below.