Positive Energy Dallas Campbell and Kari Byron travel the globe to document innovative ways of generating electricity in this new series. 5 p.m. National Geographic
Riverdale Betty (Lili Reinhart) takes the lead on keeping the diner open, though the shooter remains on the loose and the town is unnerved. KJ Apa, Cole Sprouse and Camila Mendes also star. 8 p.m. KTLA
The Goldbergs Beverly (Wendi McLendon-Covey) wants to enroll in night school in this new episode of the family comedy. 8 p.m. ABC
Empire Cookie (Taraji P. Henson) devises a competition among the label’s top artists for a prime...