You, Me and the Apocalypse (8 p.m., NBC) - In this new sci-fi comedy-drama, a group of people struggle with the inevitable apocalypse after learning a comet is scheduled to hit earth. The sprawling cast includes Jenna Fischer, Megan Mullally, Kyle Soller and Rob Lowe as a foul mouthed priest.
The 100 (9 p.m., CW) - Bellamy and Kane put their lives on the line to rescue Clarke, and Abby considers opening Mount Weather as a medical facility.
Project Runway Junior (9 p.m., Lifetime) - In the first part of the season finale, the designers head home to create collections for NY Fashion Week.
Angel from Hell (9:30 p.m., CBS) - Marv objects when Allison wants to make changes at the dermatology practice, so Amy creates a temporary position for herself at the office to help them work it out.
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Baskets (10 p.m., FX) - Chip takes a new clown under his wing at the rodeo.
Colony (10 p.m., USA) - Katie questions her commitment to the cause after her first mission.