"Stasis Leak" is the fourth episode of the science fiction sitcom Red Dwarf series two and tenth in the series run. It premiered on the British television channel BBC2 on 27 September 1988. Written by Rob Grant and Doug Naylor, and directed by Ed Bye, the crew travelling back in time, before the accident had wiped out the crew of Red Dwarf. The episode was re-mastered, along with the rest of the first three series, in 1998. Plot Arnold Rimmer becomes annoyed when he finds Dave Lister reading his diary. Lister stipulates it was essential when he reveals he found a wedding photo in the quarters of Kristine Kochanski (Clare Grogan), in which he was her groom, suspecting time travel is going to happen soon. Rimmer questions why reading the diary is essential, to which Lister points out it might be linked to his entry regarding the hallucinogenic mushroom incident – three million years in the past, Lister had been reprimanded by Captain Hollister (Mac McDonald) for giving Rimmer hallucinogenic mushrooms that led to him attacking two officers. Lister points out that Rimmer wrote about seeing himself as a hologram coming out of the table in their quarters, when he returned from the Captain's office, and hearing him state that he had come to the past from a stasis leak they had found. Lister determines that it really happened and not a hallucination as he assumed, and that they should investigate where the leak was found, after Holly (Norman Lovett) can't give any information on the subject. The group traces the stasis leak and find it is a passageway to the past, to around three weeks before the Cadmium 2 accident that wiped out the crew. Discovering that the stasis leak prevents anything from the past being brought to the present, Lister and Rimmer each decide to use it still to make their futures better. While Rimmer uses it to find his past self and warn him of the upcoming accident, thus hoping he will get into stasis and avoid dying, Lister opts to find Kristine Kochanski (Clare Grogan) and have her use the ship's other stasis cell. Lister soon tracks her down to a hotel with Cat, he finds her already married to his future self from five years into the future, much to his confusion. When they rejoin Rimmer, they find him unsuccessfully convincing his younger self he