TV picks: Final 'Inspector Lewis,' 'Halt and Catch Fire,' a William Shatner adventure and more

* MASTERPIECE: INSPECTOR LEWIS. 9 p.m. Sunday, WHYY12.

Who would blow up a mathematician? That's what Inspector Lewis (Kevin Whately) has to determine in the final installment of the "Inspector Morse" spinoff's final season.

* WILD OATS. 10 p.m. Monday, Lifetime.

Shirley MacLaine wrote her latest book, "Above the Line: My 'Wild Oats' Adventure," about her experiences making this independent film with Demi Moore and Jessica Lange. It's ended up making its premiere on TV. MacLaine plays a woman who accidentally receives a $5 million insurance check.

* HALT AND CATCH FIRE. 9 p.m. Tuesday, AMC.

The two-hour Season 3 premiere of the best show about the early days of personal computing that you're probably not watching. The action picks up in 1986 as Cameron (Mackenzie Davis) and Donna (Kelly Bishé) take their company Mutiny to California, trying to get a foothold in the shaky world of Silicon Valley.

* BETTER LATE THAN NEVER. 10 p.m. Tuesday, NBC10. William Shatner, George Foreman, Henry Winkler, and Terry Bradshaw star in a "reality" travel series based on a South Korean show whose title translates, awesomely, as "Grandpas Over Flowers."

* GOMORRAH. 10 p.m. Wednesday, SundanceTV. Popular Italian crime drama comes to U.S. TV (with subtitles, naturally). Marco D'Amore stars as a mob henchman named Ciro in a series based on a novel by journalist Robert Saviano that also inspired a 2008 film.