Ncuti Gatwa has left the sci-fi series, "Doctor Who," after two seasons and former franchise co-star Billie Piper is taking ...

The 'Doctor Who' Season 2 finale, "The Reality War," just dropped a bombshell of a twist, bringing back a familiar face as ...

How do you think the returning star will play into the plot?

The Season 15 end of Doctor Who, also Series 2 of the revamped show, ended with a shock for majority of the fans.

"Billie once changed the whole of television, back in 2005, and now she’s done it again!," added showrunner Russell T Davies.

Billie Piper is widely beloved for her portrayal ... Perhaps the simplest answer is that she is the 16th Doctor. It’s certainly not the first time the show has brought back a familiar face ...

Last night's series finale of the much-loved Doctor Who had viewers perched on the edge of their seats as the dramatic ...

You can check out more fan reactions below. To everyone watching Doctor Who saying Billie Piper is the 16th Doctor. I strongly disbelieve that this is the case. On the left is The Giggle ...

he transformed into a familiar face of Rose – marking Piper's return as the 16th Doctor. She then mumbled a quick "Oh Hello!" and smiled before the series ended. Speaking of her return, Billie ...