Revealing mistake: After crashing the van into a lamp post, Terry looks into the wing mirror to spot the police. However, when he gets out of the van, you can see that the angle of the mirror would make it impossible to spot the police in relation to the van's position. (00:13:35)
Continuity mistake: When Cleveland, Tim and Terry are at the Broken Stool, in front of them are empty beer glasses and a top hat right next to the glasses. However, when it shows the shots of Cleveland and Terry, the top hat is now several inches away from the glasses. (00:12:00)
Continuity mistake: When Cleveland is doing his Mini Mall rap, there is a shot of him next to a bed and wardrobe. However, when the shot zooms out, next to him is now a mirror. (00:02:25)
Continuity mistake: When everyone is having breakfast and Donna tells everyone to make their beds, Donna is standing straight. However, in the next shot Donna is now slouching. (00:01:00)
Audio problem: In the final scene when Cleveland says to Terry "I'm gonna get paid and you're gonna get laid", they both start cheering. But when it comes to the wide shot, Terry is still cheering but his mouth isn't moving. (00:19:55)
Continuity mistake: When Terry crashes the van into a lamp post, the wing mirror smashes. But after Cleveland has his flashback and Terry looks into the wing mirror to spot the police, the wing mirror is now intact. (00:13:05)
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.