Danielle Rose Russell stars in ‘Legacies’

• Hope and the Super Squad hatch a high-risk plan to rescue Landon after discovering that the monstrous Malivore has taken over her boyfriend’s body in the Season 4 premiere of “Legacies.” They’re also hoping to rescue Cleo, who has been absorbed into Malivore’s all-consuming darkness. (CW 32 & Showcase at 9)