Mayim Bialik returns to host the first-ever High School Reunion Tournament, a twist on the traditional College Championship format that runs through Thursday, March 9.
ET
All American
The CW
Following [Spoiler]'s death, the Beverly Hills and Crenshaw communities come together in an unexpected way. (Get scoop.)
America's Got Talent: All-Stars
NBC
The best-of-the-best showcase their talent with in hopes of being crowned the first-ever winner; a champ will be crowned on Feb. 27.
Fantasy Island
Fox
The O.C.'s Melinda Clarke plays a social media-obsessed woman whose fantasy is to have her real life be as perfect as her Instagram life.
ET
Alert: Missing Persons Unit
Fox
Sidney opens up to Jason and Nikki about the day Keith disappeared; Mike's mentor brings a missing officer's case to the MPU team.
All American: Homecoming
The CW
As the rest of the students prepare for the Masquerade Dance, Simone plays host to a PKZ alum and is faced with thinking about her own future.
C.B. Strike
HBO
Strike and Robin zero in on Dennis Creed with help from the father of one of his suspected victims, Brian Tucker.
Cassius X: Becoming Ali
Smithsonian Channel
The two-hour documentary explores the transformation of Cassius Clay into international boxing icon and activist Muhammad Ali; talking heads include Attallah Shabazz (Malcolm X's eldest daughter), Dee Dee Sharp (R&B singer and girlfriend of Ali in the early '60s), Jim Lampley (friend of Ali and boxing broadcasting legend) and Thomas Hauser (Ali's biographer).
ET
The Company You Keep
ABC
Series premiere encore: A con man (This Is Us' Milo Ventimiglia) gets romantically entangled with a CIA agent (Good Trouble's Catherine Haena Kim).
Quantum Leap
NBC
Ben leaps into an Indian family to try and prevent their restaurant from burning down; Magic and Jenn share a revelation with Ian. Preempted by Magnum P.I. Season 5 premiere repeat.
The Watchful Eye
Freeform
Tory, Matthew and Jasper look for a way to confront their grief and honor Allie's memory on her birthday; Elena discovers that someone she trusts is lying to her.