Tonight catch all new episodes of The Originals, Pretty Little Liars, The Biggest Loser, Brooklyn Nine-Nine and Chicago Fire.
What to Watch: Tuesday, January 21
8:00pm: The Originals, CW (1 hr) NEW
The repercussions of Davina's illness affects the entire Quarter and Sophie has shocking news about the harvest festival and Hayley confesses to Elijah about her role in Sophie's plans.
8:00pm: Pretty Little Liars, ABC Family (1 hr) NEW
Shana returns to Rosewood with a message from Ali and an invitation for Emily to meet up with her, but the girls question whether or not Emily should trust Shana. Meanwhile, Aria and Hanna deal with heartbreak.
8:00pm: The Biggest Loser, NBC (2 hrs) NEW
Season 15 continues with a new group beginning their weight loss journeys including out contestant Bobby Saleem and out trainers Bob Harper and Jillian Michaels.
8:30pm: Brooklyn Nine-Nine, Fox (30 mins) NEW
Jake helps coach Terry on how to control his emotions when he returns to the field and Amy and Rosa investigate following a break in at Gina's apartment.
10:00pm: Chicago Fire, NBC (1 hr) NEW
The members of the firehouse help the community when a power outage leaves the entire neighborhood with no heat on a frigid Chicago night.
This morning and afternoon, check your local listings for information about Ellen, The Talk (CBS), The Gossip Table (VH1) and The Chew (ABC). Days of Our Lives on NBC (check local listings for time) features gay character Will as a series regular; keep an eye out for developments between Will and Sonny.
About What to Watch on TV
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(Editor's note: This post was originally published on SDGLN content partner GLAAD.)