Slither (Channel 5 Sunday at 6 p.m.)...

Slither (Channel 5 Sunday at 6 p.m.) is a delightfully wacky 1973 comedy that finds James Caan, Peter Boyle and Sally Kellerman in pursuit of an embezzled fortune.

Frequently aired but evergreen is John Huston’s 1975 The Man Who Would Be King (Channel 9 Sunday at 7 p.m.), the Kipling tale in which a pair of roguish British ex-regimentals (Michael Caine, Sean Connery) set out to find a country where a man might be a king.

Florence Henderson, Robert Reed and Ann B. Davis star in the new TV movie A Very Brady Christmas (CBS Sunday at 9 p.m.), a yuletide reunion of the long-running series “The Brady Bunch.”

She Was Marked for Murder (NBC Sunday at 9 p.m.), a new TV movie mystery, stars Stefanie Powers as a recently widowed magazine publisher who falls in love with a younger man (Hunt Block).

A Smoky Mountain Christmas (ABC Sunday at 9 p.m.), a 1986 TV movie directed by Henry Winkler, is a bland contemporary musical reworking of “Snow White and the Seven Dwarfs” starring Dolly Parton (who wrote her six songs as well as co-writing the script).

The Shop Around the Corner (Channel 5 Monday at 8 p.m.) is Ernst Lubitsch’s 1940 classic romantic comedy. The Samson Raphaelson script, perfection itself, follows the sweetly turbulent romance of two shop clerks--James Stewart and Margaret Sullavan--in turn-of-the-century Budapest. The whole film is Lubitsch at his best: silkily flawless, humane, charming, effervescent.

Mel Shavelson’s 1955 The Seven Little Foys (Channel 11 Monday at 8 p.m.) is one of Bob Hope’s most enjoyable movies, in which he plays vaudevillian Eddie Foy; James Cagney reprises his George M. Cohan in a cameo.

Local Hero (Channel 13 Monday at 8 p.m.), Scottish director Bill Forsyth’s effortlessly charming comic fable, deals with an up-tight, eager-beaver aide (Peter Riegert) to a maverick Houston oil tycoon (Burt Lancaster) who wants to acquire an entire Scots village needed for a refinery site.

Marcus Welby, M.D.: A Holiday Affair (NBC Monday at 9 p.m.), is a new TV movie in which Robert Young is once again the doctor of the popular series. Now retired, Dr. Welby goes off to Europe alone and falls in love with an American divorcee (Alexis Smith).

The 1935 George Cukor-directed David Copperfield (Channel 13 Tuesday at 8 p.m.) is a Hollywood classic, with little Freddie Bartholomew in the title role and W. C. Fields an unforgettable Mr. Micawber.

A Hobo’s Christmas (CBS Tuesday at 9 p.m.), a 1987 TV movie, is a shamelessly sentimental father-son reunion tale saved from drowning in its own syrup by pleasurable performances, topped by Barnard Hughes as a crusty grandpa home for the holidays after 25 years of riding the rails.

Fanny and Alexander (Channel 28 Wednesday at 8 p.m.), Ingmar Bergman’s great 1983 farewell to the screen, is a turn-of-the-century family saga centering on two children, a brother and sister, whose happy existence is swiftly terminated when their mother remarries.

Christmas in Connecticut (Channel 5 Thursday at 8 p.m.) is a warm wartime romantic comedy which holds up quite well. Barbara Stanwyck is a newspaper cooking columnist, who takes a soldier (Dennis Morgan) home for Christmas dinner on the orders of her boss (Charles Coburn)--the only hitch is, of course, that she can’t cook.

The esteemed 1984 TV movie version of Dickens’ A Christmas Carol, starring George C. Scott as Scrooge, reprises on CBS Thursday at 9 p.m.

Holiday Inn (Channel 5 Friday at 8 p.m.) is the 1942 yuletide perennial in which Bing Crosby introduced “White Christmas.” Fred Astaire co-stars.

Now, Voyager (Channel 13 Friday at 8 p.m.) is another of 1942’s most popular movies, a high-grade Bette Davis soap opera that finds her playing a repressed Boston spinster rescued by her suave psychiatrist (Paul Henried, who figures in the film’s famous cigarette-lighting scene). Directed by Irving Rapper.

Christmas Comes to Willow Creek (CBS Friday at 9 p.m.), a silly 1987 TV movie, casts “Dukes of Hazzard” stars John Schneider and Tom Wopat as warring brothers who are supposed to deliver a truckload of Christmas presents to an impoverished Canadian factory town.

In the much better One Magic Christmas (NBC Friday at 9 p.m.), a 1985 Canadian film produced for Disney, Mary Steenburgen is also an impoverished wife and mother whose guardian angel is played by--and here’s the inspired touch--Harry Dean Stanton. Directed by Philip Borsos (“The Grey Fox”).

A Christmas Carol (1938) (Channel 5 Saturday at 8 p.m., also on TBS at 8:50 p.m.) is the fine MGM version, starring Reginald Owen as Scrooge.

The 1985 Santa Claus (ABC Saturday at 9 p.m.) is pleasant if standard holiday fare in which Santa (David Huddleston) and an elf (Dudley Moore) battle with John Lithgow’s greedy toy manufacturer.

The ratings checks on movies in the TV log are provided by the Tribune TV Log listings service.