10 a.m. on ESPN, ‘‘NBA Basketball’’ — The Martin Luther King Jr. holiday is always a big one for basketball, and there are four nationally televised games on the schedule beginning here with the Indiana Pacers visiting the Memphis Grizzlies. Crosstown rivals meet at Madison Square Garden as the Brooklyn Nets visit the New York Knicks on NBA TV. Then the day wraps up with a TNT doubleheader featuring the San Antonio Spurs at the Philadelphia 76ers and the Los Angeles Lakers at the Chicago Bulls.
8 p.m. on 5, 8, ‘‘The Biggest Loser’’ — While Bob, Jillian and Dolvett are visiting the kid contestants in their hometowns, the rest of the players are on their own — which proves to be a struggle for some, while others rise to the occasion. The winners of a 5k run earn $15,000 to share among themselves, with another sum being donated to a local Boys and Girls Club. At weigh-in, a player who has been struggling gets a pleasant surprise in the new episode ‘‘Pay It Forward.’’
8 p.m. on (CW), ‘‘The Carrie Diaries’’ — Carrie’s (AnnaSophia Robb) new relationship with Sebastian (Austin Butler) is not going smoothly, thanks to a grounding and repeated attempts by Donna (Chloe Bridges) to split them up. Carrie resorts to lying to her father (Matt Letscher) and disappointing her sister (Stefania Owen) to seize some couple time. Maggie’s (Katie Findlay) obsession with sex causes problems with Walt (Brenden Dooling) in the new episode ‘‘Lie With Me.’’
9 p.m. on 10, ‘‘The Following’’ — Kevin Bacon comes to television in this grisly new thriller from creator Kevin Williamson (‘‘The Vampire Diaries’’), playing a burned-out former FBI agent who is called back into action when the notorious serial killer (James Purefoy) whom he once captured has escaped from prison. Worse, the killer seems to have built a devoted fan base willing to do his awful bidding.
9 p.m. on A&E, ‘‘Hoarders’’ — This new episode profiles two people who were once on top of the world but are now at the bottom of their piles of stuff. Merlene is a former supermodel who was married to a successful inventor, but her home is now crammed with items she salvages from the trash. Jeff lost a lucrative shoe-repair business and moved its contents into his residence, which is also home to a hoard of construction supplies.