Continuity mistake: When Cleveland says "They do say you're supposed to chase your bets", Slim Biggins on the Club Nugget casino card has his hands raised. In the next shot, his hands are by his side. (00:07:20)
Continuity mistake: An ace is thrown on a ten of diamonds. The position of the ace changes between shots. (00:04:55)
Other mistake: In the casino montage, there is a shot showing us a roulette wheel that doesn't have a single number on anything. (00:04:05)
Continuity mistake: When Cleveland first sees Tim, Holt and Lester outside, they are standing side by side parallel to the porch. When Cleveland goes outside, they are standing perpendicular to the porch. They are standing side by side parallel again when they show him the suit. (00:03:05)
Continuity mistake: When Donna first shows Cleveland Roberta's college fund, her hand is covering the "Fund" part of the "College Fund" label. The next shot shows almost the entire label covered by her hand. (00:02:35)
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.