The Arts & Entertainment Network presents "Mysteries of the Bible: Who Wrote the Bible?'' Actors Richard Kiley and Jean Simmons host this three-hour feature that examines the origins, authors, and general framework of the Bible. On-location footage includes the caves of Qumran, Jordan, and the Israel Museum in Jerusalem. Air time: 8 p.m. (EST).
As part of its Assignment Discovery series, The Discovery Channel presents "One Giant Leap,'' a two-part documentary commemorating the 25th anniversary of mankind's first walk on the moon. The 25-minute episodes review the history and social context of the Apollo program. Highlights include interviews with launch pad director Gunther Wendt and astronaut Buzz Aldrin. Air time: 9 a.m. (EST).
PBS offers Diamonds in the Snow, a moving account of three women who survived the Nazi Holocaust. Created by Mira Reym Binford, a Holocaust survivor, the one-hour documentary incorporates interviews, rare archival film, and photos to tell the stories of the courageous individuals who saved these women's lives. Air time: 10 p.m. (EST).
PBS presents "It's a Kid's World,'' as part of its Scientific American Frontiers series. Hosted by actor Alan Alda, the one-hour episode traces the developmental processes by which children acquire language skills, learn motor coordination, and understand their environment. Air time: 9 p.m. (EST).