Tuesday's TV Highlights: 'Nova' looks at Darwin
EVOLUTION: The science series "Nova" presents the docudrama "Darwin's Darkest Hour," starring Henry Ian Cusick and Frances O'Connor, at 8 p.m. on KCET.
Dragon's Den: The imported reality series about would-be entrepreneurs returns with new episodes (6, 9 and 11 p.m. BBC America).
The Biggest Loser: The contestants get locked out of the kitchen and must figure out how to eat healthfully on their own in this new episode of the weight-loss-themed reality series (8 p.m. NBC).
NCIS: Los Angeles: An armed, unmanned aerial vehicle vanishes into thin air in this new episode of the action drama (9 p.m. CBS).
Dancing With the Stars: Another celebrity and his or her partner get the boot (9 p.m. ABC).
So You Think You Can Dance: The auditions continue (9 p.m. Fox).
Dirty Jobs: Host Mike Rowe tries his hand at marine salvage and mattress recycling (9 p.m. Discovery)
The Universe: A new installment examines the potential militarization of space (9 p.m. History).
Scare Tactics: The hidden camera series returns with even more spooky pranks (9 p.m. SyFy).
Parking Wars: The documentary series about the ticketers, the ticketed, those towing and those towed is back with new episodes (10 and 10:30 p.m. A&E).
Lost Tapes: Investigators probe reports of a Sasquatch-like creature lurking in the Arkansas woods in this new installment (10 p.m. Animal Planet).
Frankie and Neffe: This reality series ends its season with back-to-back installments (10 and 10:30 p.m. BET).
Ghost Lab: Another reality series about the paranormal and those who investigate it has its premiere (10 p.m. Discovery).
Surviving Disaster: A new installment offers tips to survive being stranded on the open sea (11 p.m. Spike).
18 Kids and Counting: 20 Years, 20 Duggars: This new special profiles the ever-expanding family from the hit reality series (9 p.m. TLC).
Million Dollar Mermaid: Turner Classic Movies' salute to Esther Williams includes this 1952 aquatic spectacular (7 p.m. TCM).
The Fifth Element: Bruce Willis, Milla Jovovich, Chris Tucker and Gary Oldman star in director Luc Besson's fashion-forward 1997 sci-fi fantasy (6:30 p.m. HBO).
The Bourne Ultimatum: Matt Damon is back as the amnesiac former assassin in this 2007 installment in the action series based on the Robert Ludlum espionage novels (8 p.m. Cinemax).
Walk Hard: The Dewey Cox Story: John C. Reilly stars in this tune-filled 2007 spoof of musical biopics; Jenna Fischer and Tim Meadows also star (8 p.m. Encore).
Hockey: The Washington Capitals visit the Philadelphia Flyers (4 p.m. VS), the Anaheim Ducks meet the Minnesota Wild (6 p.m. FS Prime) and the L.A. Kings host the San Jose Sharks (7:30 p.m. FSN).
College football: Middle Tennessee State faces Troy (5 p.m. ESPN2). Photo: Chris Reardon / WGBH