In this episode, after Jinksy is Knocked out a voice said that he had 9 lives and now has 8 yet he's been knocked out before in previous episodes
Pixie and Dixie's eyebrows disappear at several points in the episode.
The number above Pixie and Dixie's mouse hole is 142 1/2.
Pixie speaks with Dixie's voice in the beginning of the cartoon.
At the end of the episode in the last dialog Dixie speaks with Pixie's voice and Pixie speaks with Dixie's voice.
Jinks' whiskers disappear briefly towards the end of the show.
In one scene, Pixie talks but his mouth does not move.
At one point, Jinks' whiskers disappear.
The Mark of the Mouse's sword keeps disappearing when he is making Jinks promise not to chase mice anymore.
When they are talking to the green space mouse, Dixie speaks with Pixie's voice.
When Pixie is first shown in the mouse hole, his right ear disappears several times.
After the cannon fires at the pirate, the next scene shows the fuse is still burning when there should be no fuse if the cannon fired.
When Dixie is looking through the knothole at the cheese and the pirate, he turns around as Mr. Jinks approaches and speaks with Pixie's voice.
When the pirate is asleep for the second time, there is a brief moment when half of his mustache is lacking it's red color and all you see is the outline.
When Pixie and Dixie first approach the table where the pirate is sleeping and the cheese is sitting, part of Pixie's bandanna loses it's red color and matches the floor. All you see is the outline of the back of the bandanna.
When Pixie says the line "Come on in, Mr. Judo," he says it with Dixie's voice.
In the first couple of scenes, Dixie's whiskers keep disappearing and re-appearing.