The West Wing Pearl, 10.30pm President Josiah Bartlet (Martin Sheen, above) ponders the immense political ramifications of honouring a secret request from the uncompromising Iranian Ayatollah to allow his son to be flown to the United States for life-saving surgery. Science Of Beauty Pearl, 9.30pm We've always been prepared to suffer to look good. Images of ideal beauty stare out at us from billboards and news-stands, produced by a multibillion-dollar industry that also sells us the means to transform into that ideal. Now we are coming closer than ever to being able to re-shape ourselves into whatever we desire, using the surgeon's knife as regularly as the hairdresser. As science moves deeper into understanding our genetic make-up, in the future we'll be limited only by our imaginations. Man's Heritage: Dolphins - Deep Thinkers? Pearl, 8.30pm Thanks to their large brains and ability to perform clever tricks, dolphins have gained a reputation for being highly intelligent - but are they really that smart? This programme tries to answer some of the intriguing questions about dolphin intelligence, using specially designed tests that aim to stretch the dolphins' mental abilities to the limit. These achievments are then compared with what dolphins get up to in the wild to find out if they are clever or just instinctive. Along Came A Spider HBO, 9pm Morgan Freeman (above) stars as Washington, DC, police detective and master profiler Alex Cross in this thriller based on James Patterson's novel. Cross is pursuing a kidnapper holding the daughter of a United States senator. When the kidnapper, Gary Soneji (Michael Wincott), contacts Cross and taunts him but makes no demands for money, Cross starts to piece together a psychological profile. With the help of secret service agent, Jezzie Flannigan (Monica Potter), Cross begins his investigation of a bizarrely elaborate and ruthless crime. (2001)