DC’s Legends of Tomorrow The team lands in the Roaring ’20s Chicago in this new episode. 8 p.m. KTLA
Alone The remote Argentinian region of Patagonia is the destination as this outdoor-survival returns with a preview special followed by the third-season premiere. 8 and 9 p.m. History Channel
Mom Christy and Bonnie (Anna Faris, Allison Janney) try to help Jill (Jaime Pressly) get through the anniversary of her mother’s suicide in this new episode of the sitcom. 9 p.m. CBS
The Great American Baking Show It’s all about bread in this week’s installment of the competition...