What to watch Thursday: ‘Outer Banks’ returns to Netflix

Walker (CW at age 8) Cassie questions who can be trusted when she realizes people keep secrets; the rest of the family concentrates on rescuing the horses.

Grey’s Anatomy (ABC at age 9) Meredith Gray leaves Gray Sloan, and the doctors plan a surprise farewell; Nick confronts Meredith about their relationship.

Law & Order: Special Victims Unit (NBC at 9) Benson and Carisi think there’s more to the case of a man with dementia who confessed to murder; Fin urges Velasco to clean up.

Independence of walkers (CW at 9) The origin stories and fates of Abby, Hoyt, Kate, Kai, Calian, and Tom are revealed through letters Gus writes to his late wife.

animal control (Fox at 9:01) Someone confesses to Frank that his bunnies got into special candy bars; Frank and Shred tend to a python wrapped around a man’s neck.

call me kat (Fox at 9:30) Max is shocked when his father visits him for the first time in three decades; Sheila and Gideon help Randi and Carter renovate their house.

Law and order: organized crime (NBC at 10) The team must help calm a rivalry between two motorcycle gangs when the daughter of Stabler’s friend Marine is kidnapped.

Rap Trap: putting hip-hop to the test (Hulu) The case against Young Thug (Jeffery Williams) and Gunna (Sergio Kitchens) has sparked a conversation around the use of song lyrics as evidence in criminal cases. This special explores the history and implications of the use of art as evidence.

Bel-Air (Peacock) Season 2.

External banks (Netflix) Season 3.

Late Show/Colbert (CBS at 11:35 a.m.) Hank Azaria, Isabel Wilkerson, Depeche Mode.

Jimmy Kimmel live (ABC at 11:35 a.m.) Anthony Mackie, Chris Distefano, Gracie Abrams.