On TV this weekend
Shark Tank, 8 p.m., ABC When Tae Bo master Billy Blanks wants to move from DVD to training instructors for live classes, you'd better listen. We wouldn't want to tell him "no."
Dark Secrets of the Lusitania, 9 p.m., NatGeo Survivors of the passenger liner sunk by Germans in 1915 said a secondary explosion rocked the ship as it went down. Using that argument, it sounds like there was something aboard worth sinking. Let's speculate for two hours.
Law on the Border, 10 p.m., Animal Planet A K-9 unit realizes a suspect they're chasing may have dropped his drugs. That's not a very good drug runner.
Saturday Night Football, 8 p.m., ABC Defending champ Alabama takes on Michigan, which isn't the laughingstock it was a couple seasons back. If only all the interconference matchups this season could be this strong.
Saving Hope, 9 p.m., NBC The Peacock has to get rid of episodes of this show somehow, so might as well be tonight.
SEASON FINALE Hoarding: Buried Alive, 9 p.m., TLC A guy owns five houses to keep all of his tools. You sure he didn't just use the tools to build the houses, then just left them there?
TV's Most Dynamic Duos: Presented by the Paley Center for Media, 9 p.m., ABC Robin Roberts, who is now on leave from Good Morning America to get a bone marrow transplant, hosts a countdown of the 30 best couples on TV. Robin and her donor, sister Sally, should at least be 25th or so.
Breaking Bad, 10 p.m., AMC We're halfway through the final season of this mind-scrambler, which will go on break until next year. You know what that means: You only have a few more months to catch up on Netflix before the series ends and people ruin it for you by talking about how it ends.
— Joshua Gillin firstname.lastname@example.org