Television’s best bets for Saturday and Sunday:
“WWI: The First Modern War” is a documentary series that examines the military tactics and powerful game-changing weapons introduced during WWI. The opener, “Armored Beasts,” focuses on tanks. 8 p.m., History Channel.
“Manhattan”: This gripping and provocative new drama series is set in Los Alamos, New Mexico, against the backdrop of the clandestine mission to build the world’s first atomic bomb. John Benjamin Hickey (“The Big C”) shines as a self-destructive physics professor who is recruited to help lead the Manhattan Project and finds himself living in a world where secrets and lies infiltrate all aspects of everyday life. 9 p.m. Sunday, WGN America.
David Suchet begins his final episodes as “Hercule Poirot” in the popular “Masterpiece Mystery!” series. Tonight, the master sleuth navigates international intrigues while investigating the shocking death of a Russian chess grandmaster. 9 p.m., PBS.
The excellent second season of “Masters of Sex” continues with an episode that has Virginia (Lizzy Caplan) learning about Masters’ (Michael Sheen) troubled childhood during a secret rendezvous at a hotel. 10 p.m., Showtime.
They’re cookin’ turducken on “Frankenfood” at Black’s Barbecue in Lockhart, Texas. 9 p.m., Spike.
Chuck Barney, Contra Costa Times