Mental Floss

FAN THEORY

Bob Odenkirk and Rhea Seehorn in 'Better Call Saul.'

'Better Call Saul' is preparing to go off to that great big Cinnabon in the sky, and fans of the series have a lot of questions—and some truly bizarre theories about how it will all end.

Kristin Hunt


Bryan Cranston as Walter White and Aaron Paul as Jesse Pinkman in Breaking Bad.

What’s Gus Fring's story? What did Jesse Pinkman’s doodles mean? And do 'Breaking Bad' and 'The Walking Dead' exist within the same universe? Read on...

Kristin Hunt












Warner Home Video

For 50 years, the hard-working teens (and dog) of Mystery, Inc. have been investigating the paranormal—and inspiring some wild fan theories.

Kristin Hunt


Jim Carter as Mr. Carson in Downton Abbey (2019).

Despite its exhaustively polished veneer, 'Downton Abbey' was always a soap opera. So it should come as no surprise that fans have developed some wacky theories about the show.

Kristin Hunt


Elizabeth Berkley, Mark-Paul Gosselaar, Tiffani Thiessen, Ed Alonzo, Dustin Diamond, Dennis Haskins, Mario Lopez, and Lark Voorhies in Saved by the Bell.

If these 'Saved By the Bell' fan theories are to be believed, murderers, eco-terrorists, a famous tech billionaire, and one foul-mouthed superhero could be wandering the halls of Bayside High.

Kristin Hunt




Emma Watson, Rupert Grint, Daniel Radcliffe, and John Hurt in Harry Potter and the Deathly Hallows: Part 2 (2011).

In literature, 'canon' refers to source material that establishes the characters, relationships, and events of a fictional universe. 'Headcanon,' however, describes fans’ imagined explanations for what happens between the lines, or off the page entirely.

Roma Panganiban