Yesterday I posted a question mental_floss contributor Brett Savage had asked me via text — “Is it ever explained why Marty hangs out with Doc Brown?" Many people weighed in with theories.

It was apparently a slow news day on Wednesday, because one of the stories making the rounds was that there was finally an explanation for the friendship between Doc Brown and Marty McFly.

A theory revolving around the reason Doc Brown time-traveled with Marty McFly to 2015 in Back to the Future Part II recontextualizes the doctor's actions in the film, and it makes a lot of sense ...

Marty McFly and Doc Brown's time travel created numerous unseen alternative timelines in Back to the Future, and one fan theory (via Reddit) suggests that Marty died at least three times ...

Click to share on Facebook (Opens in new window) Click to share on Bluesky (Opens in new window) Click to share on X (Opens in new window) Marty McFly and Doc Brown were introduced to the year 201 ...

And if you’ve ever wanted to hear Doc Brown make a Grindr joke ... and took a close look at how the crotch of Marty’s action figure fundamentally betrayed the character.

Marty McFly grabbed a guitar in "Back to the Future" and rocked out with the band at a 1950s high school dance, helping him ...

Doc Brown (Christopher Lloyd) and Marty McFly (Michael J. Fox) time-traveled to 2015 yesterday, in a Back to the Future Day reunion on Jimmy Kimmel Live. After the Delorean brought them to ABC's ...

Fox and Christopher Lloyd – in character as Marty McFly and Doc Brown – "time-traveled" in their DeLorean to "Jimmy Kimmel Live" for an epic reunion. In the bit, which interrupted the ...