7 p.m. KWBQ-19 WALKER

Walker and Geri (Jared Padalecki, guest star Odette Annable) both are still trying to process their feelings about the recent kiss they shared, but the confusion mounts when her old flame Hoyt (guest star Matt Barr) comes home from prison in the new episode “Freedom.” His welcome home party is interrupted when Micki (Lindsey Morgan) alerts everyone that Walker’s lethal nemesis Clint West (guest star Austin Nichols) is a fugitive at large. Keegan Allen, Kale Culley and Violet Brinson also star.

7 p.m. KRQE-13 YOUNG SHELDON

This prequel to “The Big Bang Theory” closes its fourth season with a finale called “The Wild and Woolly World of Nonlinear Dynamics,” in which young Missy’s (Raegan Revord) first heartbreak sparks a series of events affecting brother Sheldon (Iain Armitage) and the entire Cooper household. Fans can rest easy on one point, though: There’s no real-world heartache for this show’s cast and creative team, since CBS recently renewed “Young Sheldon” for three more seasons.

7 p.m. WE GROWING UP HIP HOP

The original edition of this popular reality show franchise, which follows the offspring of such hip hop legends as Rev Run and Treach, returns for its sixth season, adding some new faces to its cast, including Grammy-winning producer Stevie J, daughter Savannah, son Stevie Jr., music industry veteran Luther “Uncle Luke” Campbell and his daughter Cree. Among the returning characters, Rev Run’s daughter, Angela Simmons, is into a heavy new romance with a professional boxer, while a pair of dueling weddings inadvertently uncover a shocking family secret.