The Disney Channel serves up a good old fashioned double feature Sunday night: "Back to Hannibal: The Return of Tom Sawyer and Huckleberry Finn" premieres at 7, followed by part one of "The Life and Adventures of Nicholas Nickleby" at 9.

The 8 1/2-hour adaption of Charles Dickens' novel continues nightly through Wednesday. Kenneth Branagh (Henry V) will host introductions to the four episodes.

Mark Twain once noted, "Someday it may be worthwhile to take up the story of the young ones and see what they turned out to be."

What they turned out to be, in their mid-20s, were a lawyer and a reporter. Tom is a fledgling lawyer in Chicago and Huck a cub reporter in St. Louis. When they return home to investigate the murder of Becky Thatcher's husband, they learn that their old friend Jim is the prime suspect.

Raphael Sbarge plays Tom Sawyer, Mitchell Anderson is Huckleberry Finn, Paul Winfield is Jim, Megan Fellows plays Becky Thatcher, Tom's former flame, and Ned Beatty makes a special appearance as The Duke.

Disney vice president Gary Marsh says the production people "have taken great care to try and capture the tone, style and characterizations of Mark Twain." Encores: Friday at 9, Oct. 29 at 10 a.m.

The Royal Shakespeare Company's Emmy Award-winning "Nickleby," originally telecast on BBC and on PBS in January 1983, stars Roger Rees ("Cheers") as Nicholas, Emily Richards as his sister, Kate, and Jane Downs as Mrs. Nickleby. A total of 39 Royal Shakespeare Company actors are included in the cast. Encore: Oct. 26-29.

Sunday on USA Network at 4:30 p.m. the debut of "Dog House," an original half-hour comedy series about a family who discovers that Digby, their pet St. Bernard, can talk. Airs Saturdays and Sundays at the same time.

Monday on TNT at 8 p.m. "Vivien Leigh: Scarlett and Beyond" profiles Leigh's life from her triumphant role as Scarlett O'Hara in "Gone With The Wind" to her painful emotional problems that haunted her later years. Jessica Lange hosts the one-hour retrospective, which includes interviews with Sir John Gielgud, Claire Bloom, Douglas Fairbanks Jr., and Kim Hunter. Encores: Monday at 11:30 and Saturday at 8.

Saturday on HBO at 10 p.m. "HBO Comedy Hour: Blake Clark: You're Right ... I'm Sorry," the TV debut of a one-hour show taped at Cleveland's Playhouse Square Center featuring the burly, gravel-voiced comic's unique style of down-home humor.