Continuity mistake: Attack of the Zittens: When the Good Guys Club are first seen balancing to keep away from the zombie kittens, a fence is visible. Later, the fence disappears.
Continuity mistake: The Furball Strikes Back: At one point, the guard's sunglasses disappear completely.
Continuity mistake: The Furball Strikes Back: The hole in the ground where the laser came out of seemingly disappears, and a trapdoor appears out of nowhere.
Continuity mistake: Mission Unpluckable: One moment, a rope is attached to Wolf, the next moment, it has disappeared.
Continuity mistake: Mission Unpluckable: We see the Good Guys Club on the roof of Sunnyside Chicken Farm, but in the next shot, they have switched positions, and Shark has disappeared completely.
Continuity mistake: The cat partially rips Mr. Wolf's suit, but in the next scene, the same suit can be seen with no damage.
Continuity mistake: When Mr. Snake and Mr. Piranha make it through the window, two cage doors are visible on either side of the room. In a later shot with the same window, the two cage doors are nowhere to be seen.
Continuity mistake: When Mr. Wolf tears the piece of concrete from the wall, he pulls off the window with it. When we next see the slab lying on the ground, the back of the window is not there.
Continuity mistake: When the book was first published in 2015, two of the dogs who were numbered changed numbers in different parts of the book. This error was corrected when the book was later republished.