Supergirl: "Distant Sun" - Someone has set a bounty on Kara, and Mon-El suspects his parents. Alex discovers that Maggie hasn't been forthcoming about her exes. Some excellent action scenes and a few twists.
The Flash: "Abra Kadabra" - Abra Kadabra—a villain from the future who uses methods and tech so advanced it's like magic—attacks Central City. He makes an offer to Barry: let him go, and he will tell him the identity of Savitar. Julian eventually has to operate on Caitlin and is faced with letting her unleash her Killer Frost powers to help her survive.
Legends of Tomorrow: "Doomworld" - The Legion of Doom has used the Spear of Destiny to rewrite reality to their liking. Mick Rory decides to find the other Legends, who have been put in subservient positions and are unaware of who they really are.
Arrow: "Disbanded" - Oliver decides to disband Team Arrow, too bad he can't stop Adrian Chase from gloating in his face... So he turns to the Bratva, the criminal organization he fought against long ago. But Diggle isn't willing to let Oliver turn to criminal action.
Legion: "Chapter 8" - David finally faces Shadow King as a mysterious face from his past reappears in a mind-bending, exciting and downright weird conclusion that leaves us looking forward to Season 2!
Powerless: "I'm a Friend You" - Emily tries to help a coworker who isn't forthcoming about what she's doing. Van tries to discover who used his private bathroom.
Riverdale: "The Outsiders" - Archie discovers that Jason was running drugs for the Southside Serpents before he died. Fred loses his crew before starting a big construction job. Veronica throws a baby shower for Polly, causing a confrontation between the Coopers and the Blossoms in which some new revelations are made.