Original air date: 10 December 2006

A more detailed timeline can be seen below

Selected material
Sea spider, is not a real spider (15′)

It is a “crustacean”, relative of shrimps and crabs. They feed on marine snow (tiny particles that drift from the upper layers of the sea).
Bioluminescence

Vampire squid has tricks on its own. Disturb it and it only retreats a little bit. Go really after it and it has lights of its own …

… it’s got bioluminescent bacteria shining from pockets of its arms to confuse the predator