Nine years after the events of Series VIII, the crew discover a giant squid in their water tank and are almost killed by it. Soon after the attack, Katerina Bartikovsky, a deceased Red Dwarf science officer, materialises. She uses the dimension hopping abilities of the leviathan's tentacles to open up a hole that leads back to Earth.
The 3-part story is here, edited into one long 69-ish minute feature length edition, with combinded credits for all the episodes. ENJOY! AND BUY THE DVD OF 15TH JUNE IN THE UK FOR EXTRA STUFF. ITS A RED DWARF DVD, IT'LL BE WORTH IT.