Sacha Dhawan’s Master returns for a pivotal Doctor Who finale

Here’s what’s happening in the world of television for Sunday, March 1. All times are Eastern.
Top picks
Doctor Who (BBC America, 8 p.m., 12th season finale): It looks like the time for a flat team structure has ended.
Like pretty much anyone not living in Cardiff and working on the show directly, we have no idea what’s going to happen in “The Timeless Children,” the second half of the two-part finale to Doctor Who’s 12th season. But it’s safe to say that it doesn’t look good for the Doctor and companions, what with the Master (Sacha Dhawan) running around, Gallifrey in ruins, a band of newly and mysteriously upgraded Cybermen stomping through the ship in which the universe’s last humans are hiding, the mystery of the Timeless Child just hanging out there, and quite a lot of shots of people we quite like looking utterly tormented. But for all of us at home, it looks pretty great. We have but one plea to make, prompted by this probably innocuous tweet from the official Doctor Who account that juxtaposes the sweet, serious face of Graham (Bradley Walsh) with the word “emotional” and a screamy emoji: