Watch it

“30 for 30” (8 p.m., ESPN2). “The 16th Man,” a documentary look at South Africa’s run to the 1995 Rugby World Cup championship that united the nation and inspired the recent movie “Invictus.”

“Lost” (9 p.m., ABC). We’re in the home stretch, the final three episodes before the finale. Tonight’s a Locke-centric episode, and that could answer a whole lot of questions.

“Justified” (10 p.m., FX). Raylan has to defuse a prison hostage crisis. Hopefully the Crowder family is involved somehow.

Record it

“Nova” (8 p.m., PBS). “Mount St. Helens Back from the Dead,” a look at the thriving wildlife and vegetation around the Oregon volcano 20 years after its devastating eruption. But there’s also been a resurgence in volcanic activity. Uh oh.

“Cities on Speed” (8:30 p.m., Sundance). A look at the insanely fast growth of Shanghai into a modern megalopolis. It’s a pretty amazing-looking city, as we’ve seen the past couple of weeks on “The Amazing Race.” This could be interesting.

“Glee” (9 p.m., Fox). Sue is embarrassed after a video of her singing Olivia Newton-John’s “Physical” goes viral. Don’t forget to set your DVRs/VCRs to record longer in case “Idol” runs long again.

“Deadliest Catch” (9 p.m., Discovery). Things go awry with the deckhand swap.

“Parenthood” (10 p.m., NBC). Crosby and Jasmine try to explain their relationship to Jabbar. Good luck with that.

“Chopped” (10 p.m., Food Network). Among the ingredients: mussels and candy corn. Pardon me while I gag.

“Deadliest Warrior” (10 p.m., Spike). Jesse James vs. Al Capone. Dude, Capone’s gang had Tommy guns. Case closed.

“How the Earth Was Made” (11 p.m., History). A look at how the Eyjafjallajokull volcano in Iceland was formed. This is the one that blew up recently, messing up air travel across Europe. Could be your geology lesson for the year.

“House Hunters International” (10:30 p.m., HGTV). It’s a rerun of the episode on Italy’s Amalfi Coast, and it’s a must-see. The views are amazing, and so is one of the houses.

Skip it

“American Idol” (8 p.m., Fox). The five remaining singers do Sinatra songs. That’s so wrong, Frank’s probably spinning in his grave.

“Ancient Aliens” (8 p.m., History). I watched the first episode, and was kinda disgusted with all the pseudo-science and single-minded “experts.” Relying on single sources doesn’t make for a convincing argument. Kinda makes you yearn for the days when History Channel ran nonstop World War II highlights.