In the season 2 episode "Mirror, Mirror," Star Trek perfected the alternate universe trope long before Hollywood's multiverse obsession.

The world of Gravity Falls has become one of the biggest original universes that Disney has created in recent memory. While ...

Click to share on X (Opens in new window) X Click to share on Facebook (Opens in new window) Facebook Alternate universes have been a thing in comics for decades, especially when discussing Marvel and ...

The sci-fi comedy is said to feature "alternate-universe versions" of "Big Bang Theory" characters. The Big Bang Theory universe is about to get, well, bigger. Since saying goodbye to the series in ...