8 p.m. ET on NBC For the second consecutive year, the competition offers a “Celebrity Ninja Warrior” edition to start a night of Red Nose Day-related specials, as personalities tackle the show’s obstacle course to raise funds for children’s charities. Normally a host of the program, Akbar Gbajabiamila becomes a competitor here … facing such rivals as “World of Dance” judges Derek Hough and Ne-Yo,”Superstore” co-star Colton Dunn and the WWE’s Nikki Bella. Matt Iseman is the host, with Kristine Leahy as co-host.
8 p.m. ET on FREEFORM – Season Finale
Season 1 of this dark supernatural drama wraps up with a finale called “Aftermath,” which finds both Ben and Decker (Alex Roe, Ron Yuan) in thrall to the bewitching siren song. Elsewhere, Sheriff Bishop (Gil Birmingham) is called to account over the sharply escalating crime outbreak in formerly placid Bristol Cove. Eline Powell, Fola Evans-Akingbola and Ian Verdun also star.
9 p.m. ET on FOX – Season Finale
The aspiring talents who have met with success over the weeks of this series will go for an even bigger prize — the chance to star in their own show at New York’s legendary Apollo showplace — as this “Finale” ends the revival’s first season. In what amounts to a battle of champions, host Steve Harvey and co-host Adrienne Houghton reintroduce talents familiar to viewers who have been watching the show.
10 p.m. ET on NBC
The fourth annual American edition of the humor-leaning fundraising event — focusing its proceeds on initiatives that benefit the safety and health of children around the world — again features host Chris Hardwick and numerous celebrities. The concept was devised by filmmaker Richard Curtis, who used last year’s version to reunite many cast members of his popular 2003 movie “Love Actually” in a mini-sequel. Watch for many other stars to take part in sketches here.
10 p.m. ET on TV LAND
An unassuming Hugh (Hugh Davidson) is hoping to maintain a somewhat low profile as he joins Larry (Larry Dorf) in Austin, Texas, to teach completely unauthorized Groundlings-style improv seminars to a group of Texas businesspeople in a new episode called “Alone Star State.” Back in California, Mark-Paul and Rachel (Mark-Paul Gosselaar, Rachel Ramras) attend the prestigious but delightfully informal Independent Spirit Awards.