Continuity mistake: When Cleveland and Roberta are about to leave the house in the car, Rallo's car seat is seen in the back of the car. But by the time the car leaves the house, Rallo's car seat has disappeared. (00:08:20)
Continuity mistake: On the menu board, mac and cheese is spelled correctly, then a few seconds later it's not. (00:09:30)
Answer: In the episode "A Rodent Like This" Rallo discovers that Cleveland Jr. is actually a secret agent who is tracking down Tim, who is actually criminal. Jr. reveals that in order to get close he had to eliminate the real Cleveland Jr. luckily Cleveland doesn't pay attention so it was easy. Whether or not this is canon or not depends on the writers.