SciTech TV and Radio schedule for 4-10 May 2013 Programmes are listed over 24 hours from 0600 to 0559. Programmes showing one hour later on +1 channels. Saturday: Disc. Science 2000 Mission Critical: Hubble NatGeo 0900 Chasing UFOs. B2B episodes 0900-1200. Also 0300 1200 UFOs: The Untold Stories. B2B episodes 1200-1800 2300 Paranatural. Crop Circles More4 1955 UFOs: The Secret Evidence Sunday: BBC1 / HD 0005 The Sky At Night. Stunning Saturn Disc. Science 1500 Apollo 13: The True Story 1600 Apollo 17: Last Men On the Moon 1800 World's Strangest UFO Stories 1900 Bermuda Triangle Exposed. Also 0100 2200 Race To Mars. Drama NatGeo 2100 **NEW** Secret History Of UFOs Monday: BBC R4 2100 Material World NatGeo 0800 UFOs: The Untold Stories. B2B episodes 0800-1300 Really 2350 I Believe In UFOs: Danny Dyer Tuesday: BBC4 2000 NASA: Triumph And Tragedy. 1/2. Also 0030 Disc. Science 2100 How The Universe Works. Comets 2200 Race To Mars NatGeo 1200 Hidden Horrors Of The Moon Landings 1900 Paranatural. Alien Encounters. Also 0515 History 1000 Ancient Aliens. Also 1500 Wednesday: Disc. Science 1700 How the Universe Works NatGeo 2100 Secret History Of UFOs. Also 0100 2200 Paranatural History 1000 Ancient Aliens. Also 1500 Thursday: Channel 4 1900 Britain's Closest Encounters. The Welsh Triangle BBC4 1930 The Sky At Night. Also 0150 2350 NASA: Triumph And Tragedy BBC R4 1630 Material World Disc. Science 0100 Race To Mars History 1000 Ancient Aliens. Also 1500 Friday: Disc. Science 1700 Race To Mars 2000 Hubble's Amazing Rescue NatGeo 1900 UFO UK: New Evidence 2000 Secret History Of UFOs History 1000 Ancient Aliens. Also 1500