Carey Mulligan 8 p.m. on KVPT My Grandparents’ War

This four-episode docuseries concludes with an hour devoted to the family of two-time Oscar nominee Carey Mulligan. The actress’s grandfather, Denzil Booth from the Welsh Valleys, was a teenager when he traveled thousands of miles to fight the Japanese forces in the final months of World War II. As a navy officer aboard Britain’s biggest warship, Booth lost his closest friends during a kamikaze attack. Mulligan travels to Japan to get a dramatic perspective on the horrors her grandfather faced in Tokyo.

8 p.m. on A&E Biography: Rowdy Roddy Piper

Emmy- and Peabody Award-winning filmmaker Joe Lavine’s (HBO’s “Namath”) new documentary profile puts the spotlight on a professional wrestler who’s widely considered one of the WWE’s most iconic villains. During his Hall of Fame career, “Rowdy” Roddy Piper made an unforgettable antagonist opposite a Who’s Who of WWE greats. Along the way, he also collected more than 30 championships.

10:10 p.m. on TLC Extreme Sisters

The love between sisters is often a beautiful thing, but this new docuseries looks at some of the most obsessive such relationships imaginable, sisters who insist on eating the same foods to even sharing a boyfriend. Among the female siblings featured in the premiere are Patrix and Patrica, who are inseparable partly because of necessity: Patrica was born with three fingers missing from her right hand, so Patrix has spent much of her own life fending off hateful bullies and helping her sister perform challenging manual tasks.