The ambitious adaptation of Philip Pullman’s fantasy trilogy “His Dark Materials” (HBO, 9 p.m.) reaches its end after three seasons. Its makers had plans for further storytelling, but the network had other plans for the series starring Dafne Keen, Amir Wilson and Ruth Wilson. They close with two episodes tonight.
Doc Martin’s own finale won’t come until Thursday, but after 18 years and 10 seasons, they figured I the popular show about a cranky seaside doctor warranted a special retrospective, so here’s “Farewell Doc Martin” (Acorn TV, streaming).
In the new limited series “Treason” (Netflix, streaming), Charlie Cox plays an Mi6 agent who becomes reacquainted with an ex, who is now a Russian spy. Oona Chaplin and Olga Kurylenko co-star.
The Indian comic has a new standup special, “Vir Das: Landing” (Netflix, streaming).
A second season arrives for “The Madame Blanc Mysteries” (Acorn TV, streaming), about an antiques dealer who also helps solve crimes.
The 11th season of “Letterkenny” (Hulu, streaming) brings new headaches to the small Canadian town, including an influencer invasion.
The documentary series “Bake It ’Til You Make It” (Food, 9 p.m.) looks inside the workings of various baking competitions, beginning with one that has a winter theme.
The WWE fighter tells his tale in the two-hour documentary “Wooooo! Becoming Ric Flair” (Peacock, streaming) that includes an interview with the pro wrestler, now 73.