Saturday is a big movie night, with three cable networks premiering new flicks and KCET-TV Channel 28 presenting one of the greatest films from the 1930s. The original offerings are:
* Ron Perlman, Stephen Lang and Judy Collins star in the Sci-Fi Channel film "A Town Has Turned to Dust," at 6 and 10 p.m. The futuristic tale is based on Rod Serling's 1958 teleplay.
* Kirk Cameron headlines the Disney Channel comedy "You Lucky Dog," at 7 p.m. He plays a psychiatrist who treats a dog that has inherited a fortune from his late owner.
Humphrey Bogart became a star thanks to his gritty, scary performance as the world's greatest killer, Duke Mantee, in the 1936 classic "The Petrified Forest," at 9 p.m. on Channel 28. Both Bogart and co-star Leslie Howard reprised their Broadway roles for this hit drama.
HBO presents early rounds of the Wimbledon tennis tournament at 6 a.m. today and Friday. NBC serves its coverage Saturday at 10 a.m. and continues Sunday at 11 a.m. on Channel 4.
Paula Zahn hosts "Class of 2000," a "48 Hours" report on teens and the millennium, at 10 p.m. on Channel 2.
Meredith Vieira hosts "Ending Welfare as We Know It," at 9 p.m. on KCET. The documentary chronicles a year in the life of six mothers coping with the new laws.
The long-running family sitcom "Step by Step" has its series finale at 9:30 p.m. on Channel 2.
Showtime kicks off a second season of its sci-fi series "Stargate SG-1," at 10 p.m. Last season's two-hour cliffhanger precedes the new episode at 8 p.m.
FX presents its first boxing match at 5 p.m. The main fight card features 1996 Olympic gold medalist David Reid against former champ Simon Brown. In the first bout, unbeaten IBF lightweight champion Shane Mosley battles contender Ivan Robinson.
The teen dream group Hanson performs on the latest edition of VH1's "Storytellers for VH1 Save the Music," at 7 p.m.
KCET presents the documentary series "Cinema Europe: The Other Hollywood," at noon on Channel 28. Narrated by Kenneth Branagh, the six-hour series looks at European cinema from the turn of the century until the rise of the Nazis. The first three episodes will air consecutively. The concluding three are scheduled for July 5.
Quincy Jones hosts Bravo's "Fire, Risk and Rhythm: Stories of Arts for Change," at 4 p.m. The documentary tells the stories of three at-risk kids whose lives are changed through the arts.
"Uncommon Americans," a special edition of A&E;'s "Biography," at 5 and 9 p.m., profiles three activists who have devoted their lives to helping others.
Ringo Starr headlines VH1's "Storytellers," at 7 and 10 p.m.
Showtime's "Age 14 in America," at 8 p.m., is an American version of Michael Apted's British series that follows a group of people from age 7 through adulthood. Apted also produced this special.