Television episodes about magic (supernatural)

9th episode of the 2nd season of South Park

Arrowverse crossover event

episode of The X-Files (S7 E8)

"Theef" is the fourteenth episode of the seventh season of the science fiction television series The X-Files. It premiered on the Fox network in the United States on March 12, 2000. It was written by Vince Gilligan, John Shiban, and Frank Spotnitz and directed by Kim Manners. The episode is a Monster-of-the-Week" story, unconnected to the series' wider mythology. "Theef" earned a Nielsen household rating of 7.4, being watched by 11.91 million people in its initial broadcast. The episode received mixed to positive reviews from critics.

13th episode of the fourth season of Star Trek: The Next Generation

4th episode of the 1st season of What If...?