Scandal (9 p.m., ABC) – Mellie turns to Olivia for help, while Liz tries to persuade Susan Ross not to run for president.
Also on tonight . . .
Life in Pieces (8:30 p.m., CBS) – The family is dismayed when John (James Brolin) tries to make himself look younger.
The Blacklist (9 p.m., NBC) – Red realizes that a notorious killer is responsible when the founder of a successful internet startup is found dead.
Vikings (10 p.m., History) – Season 4 starts with Ragnar in his sick bed in Kattegat, and events unfolding beyond his control. Also, Bjorn orders the arrest of Floki for Athelstan’s murder.
Baskets (10 p.m., FX) – Dale, on the scent of a good deal on a piece of furniture, leaves his daughters in Chip’s care.
Colony (10 p.m., USA) – Will, Katie and Proxy Snyder are trapped in the Yonk by a Resistance operation, testing their allegiances.