From Rocky Marciano to Joan of Arc: That’s Entertainment

Historical dramas, a thriller and a drama starring two pop giants are among the movie offerings this weekend.

The Disney Channel presents “The Thirteenth Year,” a family fantasy in which a boy discovers that his mother was a mermaid, Saturday at 7 p.m.

Jon Favreau of “Swingers” plays the famed undefeated heavyweight in Showtime’s biopic “Rocky Marciano” Saturday at 8 p.m.

Leelee Sobieski (“A Soldier’s Daughter Never Cries”) is the latest actress to play the courageous 15th century French teenager who ends up being burned at the stake in CBS’ four-hour historical drama “Joan of Arc” Sunday at 9 p.m. Jacqueline Bisset, Powers Boothe, Peter O’Toole, Neil Patrick Harris and Peter Strauss also star. The drama concludes Tuesday at 9 p.m.

Rob Lowe and Esai Morales headline NBC’s two-part thriller “Atomic Train” Sunday at 9 p.m. The story deals with a train carrying nuclear weapons that is out of control and heading toward Denver. The show concludes Monday at 9 p.m.

Diana Ross and Brandy star in ABC’s musical melodrama “Double Platinum” Sunday at 9 p.m. Ross plays a singer who is reunited with her singer-daughter she had abandoned as a baby for her career.

Series

NBC’s “Will & Grace,” tonight at 8:30, ends its first season with an episode in which Grace reunites with her ex-fiance and Jack agrees to marry Karen’s maid so she won’t be deported.

Dick Van Dyke’s long-running CBS mystery series, “Diagnosis Murder,” tonight at 9, concludes its sixth season with an installment in which a doctor (Kathleen Quinlan) assists a suicide.

Cory and Topanga set their wedding date on the season finale of ABC’s “Boy Meets World” Friday at 8:30 p.m. Mr. Feeny also asks Dean Bolander to marry him. Annette O’Toole and Michael McKean guest.

“Stone Cold” Steve Austin returns as an undercover cop on the season finale of CBS’ “Nash Bridges” Friday at 10 p.m.

Showtime’s sci-fi anthology series, “The Outer Limits,” celebrates its 100th episode Friday at 10 p.m.

NBC’s “Profiler,” Saturday at 9 p.m., concludes its third season with a two-hour cliffhanger involving Sam and her nemesis Jack.

Fox’s “The Simpsons” concludes its season Sunday at 8 p.m., with everybody’s favorite animated family running out of money while vacationing in Tokyo.

“The X-Files,” Sunday at 9 p.m. on Fox, signs off for the season with a two-part cliffhanger featuring Mimi Rogers as mysterious Agent Fowley.

Specials

“Beyond Barbed Wire,” tonight at 10 on KCET-TV, recounts how the United States entered World War II with the bombing of Pearl Harbor.

Kathie Lee Gifford hosts CBS’ “Surprise, Surprise, Surprise” Friday at 10 p.m. Based on a popular British series, the special features unexpected reunions, fantasies and appearances among friends and family.

Novelist Philip Caputo leads a discussion of Erich Maria Remarque’s “All Quiet on the Western Front” on the Learning Channel’s “Great Books” Saturday at 6 p.m.