6 p.m. on AP

The Zoo: San Diego

The staff at the Rhino Rescue Center turns out to welcome Arthur, a southern white rhino calf, in the new episode Koala Boys. Elsewhere, some koala joeys make a big move, while a young nyala must be hand-raised with personalized care before returning to its herd. Meanwhile, Connor the Malaysian tiger needs treatment for strange nosebleeds.

6 p.m. on HGTV

Outgrown

In the new episode Deploying a Renovation, hosts Luke Caldwell, pictured, and Clint Robertson try to help a family that includes two growing boys, whose sports equipment and apparently bottomless collection of toys is eating up space, even while their dad is away on a military tour of duty. Clint and Luke come to the rescue with some imaginative remodeling ideas to find more space where none currently exists in the residence.

6 p.m. on LIFE

Deadly Debutante

With her community’s elite annual Debutante Ball quickly approaching, steel-willed beauty Anna is determined to be named Belle of the Ball at the upper-crust event, and she has all the family connections to do it. She’s unhappy, then, by the arrival of an upstart named Sophia, who is, well, unsuitable in many respects, but her mother recently died — and the sympathy vote just may swing things Sophia’s way. Angelina Boris, Natalia De Mendoza, Angela Baumgardner, Revell Carpenter and Christina Simone Patterson star.

7 p.m. on HALL

Taking the Reins

Urged by her magazine editor to put more of herself into her writing, Samantha (Nikki DeLoach) returns to her family’s ranch to do a story on horses, which has been her only lifelong passion. Her family is hosting an annual equestrian competition, so there should be no shortage of material, right? Once there, though, Sam is confronted by some painful memories, including why she gave up riding and what caused her marriage to Luke (Scott Porter) to fail. Corbin Bernsen and Janine Turner also star.