Stasis Leak - S2-E4
Continuity mistake: When Lister walks through the Stasis Leak for the first time, his hands are up by his face and his locks are in front of his shoulders. In the next shot from the mirror, his arms are lowered and his locks are only over his right shoulder. (00:09:30)
Stasis Leak - S2-E4
Continuity mistake: When Lister first walks through the Stasis Leak, his locks are over his left shoulder, then in the bathroom they are over both shoulders. (00:09:30)
Stasis Leak - S2-E4
Continuity mistake: When the crew go through the Stasis Leak for the first time, the Cat walks through, then Rimmer waits before jumping through. When they appear on the other side, they fade in together. (00:09:45)
Stasis Leak - S2-E4
Continuity mistake: When Petersen walks away from Lister with the cases, the two women follow him. In the next shot the women have swapped places. (00:17:45)
Stasis Leak - S2-E4
Continuity mistake: When Lister puts his hand under his arm pit, his locks move from behind his back to over his right shoulder in one cut, and then back again. (00:18:00)
Stasis Leak - S2-E4
Continuity mistake: When Rimmer puts his head through the table, the magazines change position next to his head. (00:18:55)
Stasis Leak - S2-E4
Continuity mistake: When Rimmer is talking to the captain while he is dressed as a chicken, the blue bucket moves between camera cuts from being hung up on the large canister, to being on the floor next to Rimmer's bed. (00:20:35)
Stasis Leak - S2-E4
Continuity mistake: In the hotel when the case moves past the Cat, the shot changes and the Cat has moved from the pink carpet to the blue carpet. (00:21:50)
Stasis Leak - S2-E4
Continuity mistake: When the Cat attacks the 'dog' in the hotel, between shots it changes position as he jumps on it. (00:22:20)
Stasis Leak - S2-E4
Continuity mistake: When the Cat and Lister look at the wedding photo at The End of the episode, Lister is holding the photo at the bottom left corner in some shots, and the bottom right in others. (00:23:10)
Stasis Leak - S2-E4
Continuity mistake: At The End of the episode when Lister is talking to Holly on his watch, Lister's red sleeve is in line with the watch, but as the camera cuts to show Holly, the sleeve is gone. (00:24:10)
Stasis Leak - S2-E4
Continuity mistake: When Lister's double comes out of the bathroom, Lister's locks move from in front of his shoulders to behind his neck. (00:25:15)
Stasis Leak - S2-E4
Continuity mistake: When Lister's double says 'You don't look pleased to see me' his locks move from over his shoulder to down his back and they continue switching during the scene. (00:25:30)
Stasis Leak - S2-E4
Continuity mistake: In the hotel room, when future Lister is telling Lister he doesn't look pleased to see him, the two Listers are standing directly in front of each other, but from another angle, future Lister is standing around 90° rotated from before, and a few steps to the right of Lister. (00:25:35)
Stasis Leak - S2-E4
Continuity mistake: When Lister is in the hotel room with future Lister and Kochanski, Lister says he came because he thought he was going to get married whilst talking to future Lister, but in the next shot, Lister's facial expression has suddenly changed and is now looking more confused. (00:25:35)
Stasis Leak - S2-E4
Continuity mistake: When Lister is leaving the honeymoon suite, his locks move between shots. (00:26:25)
Stasis Leak - S2-E4
Continuity mistake: When future Lister is making Lister and Cat leave the hotel room, Lister begins talking to future Lister about living his life. Future Lister is standing beside the door in one shot, but has his head suddenly resting on the door in the next shot. (00:26:25)
Stasis Leak - S2-E4
Continuity mistake: At The End of the episode when the third Rimmer appears from inside the sink, the reflection of Lister on his bunk in the mirror shows he has a blanket over him. In the wide shot there is no blanket. (00:28:40)
Suggested correction: Lister can only see M-Corp products and M-Corp employees. Cat is not an employee of JMC or M-Corp, so he disappears. Lister is the only member of the crew who is employed by M-Corp at this point.
Suggested correction: Cat was a descendant of the cat Lister brought aboard Red Dwarf. Would it be possible that the new owners might have stricter security controls, and Lister was sent to Stasis for a different reason?
Andy Benham ★
Inventing Deux ex machina explanations for a plot hole doesn't make it any less of a plot hole. M-Corp erases all of the Jupiter Mining Corporation's equipment, personnel and infrastructure from Lister's life. In no way is Cat a part of that. He has no connection at all to the Jupiter Mining Corporation, and until he meets him in Episode 1 no connection to Lister, either.
If M-Corp only erased JMC equipment from Lister's life, then Kryten, who belongs to DivaDroid and not the JMC, wouldn't have disappeared either. He disappears as he doesn't belong to M-Corp, not because he belongs to the JMC. Cat has no connection to M-Corp, as he wasn't a part of the JMC (as you pointed out), and is therefore erased for Lister.