Link tries to convince Amelia to take it easy during the final stage of her pregnancy; Hayes asks Meredith a surprising question; Owen makes a shocking discovery.
Donna and Harvey try to get their friendship back to normal. Esther Litt returns to solve a problem discreetly, but Louis rarely handles anything quietly - especially when it comes to family.
Conner Kent and Krypto escape from Cadmus Labs. His search for the truth about his past leads him to Lionel Luthor and genetic scientist Dr. Eve Watson.
After his arrest, Dick finds peace in a Nevada prison: while Rachel struggles to control her powers; and Titans Tower comes under attack my Mercy Graves.
The Titans reassemble under Dick Grayson's Nightwing, to fight off Deathstroke as well as the Cadmus-altered Gar and Conner in the season finale.