BEST BETS

Maggie Smith in “Downton Abbey”

• In this film based on the iconic series, the Crawleys prepare for a visit from the king and queen of England, but Downton’s future is threatened when the royal visit leads to scandal. Hugh Bonneville, Maggie Smith, Jim Carter and Michelle Dockery star in “Downton Abbey.” (NBC at 8)

Bob Odenkirk and Rhea Seehorn star in “Better Call Saul”

• Another new episode from the long-awaited sixth and final season of “Better Call Saul” airs tonight. Now that Jimmy (Bob Odenkirk) and Kim (Rhea Seehorn) are married, they are forever linked to one another. That doesn’t necessarily mean they are open and honest, however. (AMC at 9)