Simone Biles

5 p.m. on KGET 2020 Tokyo Olympics

The eyes of the world will be on tonight’s final in the women’s floor exercise, in which Team USA’s Simone Biles is expected to successfully defend her gold medal from Rio in 2016 as well as continue her pursuit of the record for the most gold medals won by a single gymnast in the history of the Olympics. Also on tap tonight are the finals in the men’s 400m hurdles and women’s long jump and a quarterfinal match in the women’s beach volleyball.

8 p.m. on KGET2 Roswell, New Mexico

As they look for a way to save Max’s life, Jones (Nathan Dean) fills Michael and Isobel (Michael Vlamis, Lily Cowles) in on important insights from the past in the new episode “Give Me One Reason.” Meanwhile, Maria (Heather Hemmens) is forced to take extreme measures to stop a murder. Elsewhere, Liz (Jeanine Mason) realizes she’ll have to confront her past to move forward in her research. Michael Trevino and Amber Midthunder also star.

8 p.m. on TLC Darcey & Stacey

In a new episode called “Digging Up the Past,” Darcey travels to Washington, D.C., looking for answers that will shed light on Georgi’s past. Instead, much to her frustration, her trip just leaves her with even more questions. Meanwhile, Stacey and Florian have a difficult discussion about their future lives together. Later, Darcey makes a decision that could put her entire relationship on the line.

10 p.m. on AMC The Beast Must Die

As Frances (Cush Jumbo) succeeds in becoming more deeply embedded in the home and its various routines, she makes unexpectedly swift progress with her plan and finds the weapon she will use to exact

revenge in “Episode 4.”