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)
Continuity mistake: When the Cat dances at the disco, he jumps up and grabs the mirror ball with both hands. In the next shot he is only holding it by one arm. (00:20:25)
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: 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: The second time we see the scene with Rimmer's head popping through the table, the line 'There, that wasn't too bad, was it?' is missed out. (00:04:40 - 00:19:20)
Stasis Leak - S2-E4
Continuity mistake: The second time we see the hologramatic Rimmer pass Rimmer and Lister in the corridor, two other people have appeared walking past. (00:04:00 - 00:18:25)
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: 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)
Continuity mistake: At the disco, when the Rimmers are seated at their table, the plant moves from in front of the lamp to behind it. (00:15:40)
Stasis Leak - S2-E4
Continuity mistake: When Lister is leaving the honeymoon suite, his locks move between shots. (00:26:25)
Continuity mistake: In the disco when Lister complains about the female Lister's attempts to impress him, his hair is in front of his left shoulder, then behind it. (00:19:10)
Continuity mistake: When Lister and the Cat first see Lisa Yates on the screen, their shoulders are together. In the next shot there is a wide gap between them. (00:18:30)
Continuity mistake: When Lister and Rimmer talk to Holly at the disco, Lister's arm is on the table. When the camera angle changes, it is on his lap below the table. (00:21:15)
Continuity mistake: In 'Thanks For The Memory', both Lister and The Cat injure their left feet when they drop the gravestone; but The Cat is seen to be wearing a plaster cast on his RIGHT foot. (00:12:10 - 00:27:00)
Continuity mistake: In the hologram simulation suite, the amount of smoke changes from cut to cut throughout the scene. (00:06:30)
Continuity mistake: When Lister and the Cat are on the moon, their casts keep appearing then disappearing. (00:15:15)
Continuity mistake: When Lister and the Cat put their sunglasses on, Rimmer's tie changes between camera cuts from over his shoulder to neat and straight. (00:18:00)
Continuity mistake: When Rimmer is talking about Lisa Yates to Lister, his tie is undone. When it cuts to the black box camera, his tie is correctly tied. (00:22:10)
Continuity mistake: When Marilyn Monroe waves to the Cat on the beach, in the next shot her arms are by her side. (00:16:50)
Answer: The cello is a large four-stringed instrument, which, when it is played, stands vertically on the floor between the player's legs (assuming they are seated). If it is to grow as large as the other instuments mentioned will, it would require a rather unseemly lack of femininity to be able to encompass it with the legs.
Rooster of Doom