The Lottery - S2-E3
Continuity mistake: At the very beginning, when Kenan is shown in Rigby's, the clock changes from 8:00 to 9:25. (00:03:00 - 00:03:30)
The Lottery - S2-E3
Revealing mistake: When Kenan hits Chris in the mouth with the apple, you can tell it was placed in his mouth because he managed to bite the apple, and take a chunk of it out. Normally an apple like that would smash your teeth.
The Lottery - S2-E3
Revealing mistake: The goldfish Kel grabs is very obviously a fake. (00:18:50)
The Lottery - S2-E3
Continuity mistake: Kenan gets the tickets for him and Chris from on top of the machine not from the machine. (00:08:50)
The Lottery - S2-E3
Continuity mistake: When Kenan is putting the cans on the counter at the beginning, the cans swap places. Watch the green one. (00:03:30)
The Lottery - S2-E3
Continuity mistake: When Kenan is getting a ticket for Kel, he goes to put it in the machine but misses. The next frame it has disappeared. (00:09:35)
The Lottery - S2-E3
Continuity mistake: The Lottery numbers change from the draw to when claiming.
The Lottery - S2-E3
Audio problem: When Kenan is being hit by the swordfish, the sound is out of time with the actions. (00:20:25)
The Lottery - S2-E3
Revealing mistake: The pink container in Kel's bags is very obviously empty by the way he handles it. (00:13:25)
Answer: He's simply enjoying doing it himself. Especially since he likely believes he can do it better than she can.