Kaboom! Explore the science of explosions - from fireworks to building demolitions.
Kidnapped by UFOs? Carl Sagan and other scientists investigate claims that people have been visited or abducted by aliens.
Killer Disease on Campus Doctors combat the deadliest form of meningitis, which strikes young people out of the blue.
Killer's Trail, The Forensic scientists revisit the infamous Sheppard murder case of the 1950s in search of the true killer.
Kingdom of the Seahorse The world's leading sea horse biologist journeys to Australia and the Philippines to explore the secret lives of these extraordinary fish.
Kings of Camouflage Meet the cuttlefish, one of the brainiest, most bizarre animals in the ocean.
