Fifteen years after they first hit the airwaves, Bubbles, Blossom and Buttercup are back with a new special, “The Powerpuff Girls: Dance Pantsed” (Cartoon Network at 7:30 p.m.). The original characters and voices return as the girls once again fight the evil Mojo Jojo when he kidnaps a mathematician, an opera singer and a badger.
RETURNING SHOW: The Season 2 opener of “Hollywood Game Night” (NBC at 8) has star players Martin Short, Jason Alexander, Lester Holt, Valerie Bertinelli, Beth Behrs and Julie Bowen. Another hour-long episode airs after the premiere.
Ten of the remaining 15 women go on a group date with Juan Pablo on “The Bachelor” (ABC at 8) while others are chosen for individual ones that involve a tandem bungee jump and various other terrifying things. Two women are eliminated at the end of the episode.
Barney gets boozy on “How I Met Your Mother” (CBS at 8), which as usual has negative consequences in the form of some secret-spilling to the opportunistic Ted and Robin.
FINALE WATCH: The Season One conclusion of “Sleepy Hollow” (Fox at 8) has Ichabod and Abbie making a discovery in George Washington’s Bible and Capt. Irving making a life-altering decision.
Max goes back to Deke’s place on “2 Broke Girls” (CBS at 8:30), but it ends up being nothing like she expected, while Caroline has an incident with a car-towing company.
SERIES PREMIERE: Discovery’s first original miniseries, “Klondike” (at 9), stars Richard Madden (he was Robb Stark in “Game of Thrones”) as one of two adventurers who head out to Alaska in 1890 during the gold rush.
A rising pop star is found dead on “Castle” (ABC at 10) and her lifestyle may be to blame, but no one’s prepared when the real reason behind the death is revealeds.
Actress Julia Roberts comes to “The Late Show With David Letterman” (CBS at 11:35), with musical guest Glen Hansard.
President Obama stops by “The Tonight Show With Jay Leno” (NBC at 11:35), with a musical performance by Patti LaBelle.
Rapper-turned-actor LL Cool J and actress Chloe Bennet are on “Jimmy Kimmel Live” (ABC at 11:35), with musical guest Vampire Weekend.