Charmed

"Charmed" is the seventh episode of The Little Mermaid TV series, originally aired on October 24, 1992.

Synopsis
Ariel puts on a human bracelet and then can't take it off. When she tries to use the key to take it off, she gets trapped by a giant whirlpool and in a horrible underwater nightmare when she runs away from home, afraid of how her father would react after he destroyed a magnifying glass (referred to by her as a 'biggermajiger') she discovered earlier.