Supergirl: Reign

On the heels of the big crossover, Supergirl comes back to her own series in “Reign,” the mid-season finale. By comparison, fighting her evil twin, being hunted by Nazis, and kidnapped to another Earth was probably a better time than this was for her.

Gotham: Things That Go Boom

The “A Dark Knight” section of Gotham’s current season is, if they follow the usual pattern, almost done. “Things That Go Boom” puts a lot of pieces in motion, and starts nudging things towards the mid-season finale. It starts off, as so many problems in Gotham City do, at Arkham Asylum.

Arrow: Thanksgiving

You can tell when it’s getting towards the end of the year, because you get a Thanksgiving episode, closely followed by a Christmas episode, on a lot of shows. Well, Arrow isn’t even subtle with the title, “Thanksgiving,” although it’s not exactly a gather ‘round the table kind of celebration.

Legends of Tomorrow: Welcome To The Jungle

The Legends keep running into people connected to them in the past: younger versions of themselves, ancestors, and, the just-won’t-stay-dead Damian Darhk. That trend continues in “Welcome to the Jungle,” which lands the team in 1967 Viet Nam, during the war. That was dangerous enough on its own, but you know that if the team goes there, it’s worse than it seems.

Supergirl: Wake Up

Things get a bit odd on Supergirl this week. “Wake Up” is the title for this episode, and they deal out a few big surprises. The first ones to get surprised are the crew of a small sub, who are checking on the damage under the waterfront after the big attack down there. They find…