The iconic Back to the Future franchise recast Marty McFly's girlfriend, Jennifer Parker, numerous times because of changing circumstances.

Here's everything we know about the future of the beloved British ... Former composer Murray Gold is also coming back. Millie Gibson is playing the Fifteenth Doctor's companion Once the era ...

Ncuti Gatwa's Fifteenth Doctor has a second season of adventures on the way—but so far there's no Christmas special set for ...