Harder, Better, Faster, Browner - S2-E1
Character mistake: 21 seconds pass between the time they start to write a song and Kenny says "Done". Cleveland then says it was 15 seconds when it was 21 seconds. (00:11:05)
Harder, Better, Faster, Browner - S2-E1
Continuity mistake: When Cleveland is spinning the basketball on his finger, we can see the lines of the basketball whilst he is spinning. In the next shot, the lines aren't seen anymore. (00:01:35)
Harder, Better, Faster, Browner - S2-E1
Other mistake: Donna starts drinking Tyler Perry Presents Wine. The drink level remains the same whilst drinking it. (00:07:35)
Harder, Better, Faster, Browner - S2-E1
Continuity mistake: When Kenny gives Cleveland and Donna a thank you gift, he places the box on the edge of the table. The box moves back two inches without being touched as soon as the shot cuts. (00:07:05)
Harder, Better, Faster, Browner - S2-E1
Continuity mistake: Just before Cleveland tells the Browns and Tubbs that Kenny West is staying in his home, he kicks the door down. It disappears off the ground when Bruce appears in the scene. (00:06:05 - 00:06:35)
Harder, Better, Faster, Browner - S2-E1
Continuity mistake: In the scene where Kenny drops Candace off at Cleveland's, he starts overexaggerating about Barack Obama. His hands are raised in this shot but they are by his side in the following shot. (00:03:55)
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.