Visible crew/equipment: When Kel is singing in the Orange Rain you can see stage lights reflected in his umbrella. (00:10:00)
Continuity mistake: During the filming of "Supermarket Cop 3," the time on the clock changes throughout. (00:18:00)
Continuity mistake: Roger is building Kyra's castle out of sugar cubes. He starts to put two cubes on top, but then the cubes changes from two to four and then back to two again in the next shot.
Plot hole: Kenan ends up out of the door when trying to persuade the robbers not to give. Surely with all the media attention, a camera would have spotted him, and his family would realise it's Kenan. (00:20:30)
Get The Kel Outta Here - S2-E8
Continuity mistake: Kel comes rollerblading in from the right of the door but there is normally a wall there. (00:02:50)
Get The Kel Outta Here - S2-E8
Revealing mistake: When Mrs. Rockmore opens the door there is a painted house visible outside. (00:02:55)
Get The Kel Outta Here - S2-E8
Revealing mistake: When Kel throws the masseuse, it is obvious he lands on a crash mat due to his height when supposedly on the floor. (00:06:30)
Get The Kel Outta Here - S2-E8
Continuity mistake: Kel pushes Rodger on the table out the front door straight. However there is a wall there as seen at the start. But Rodger manages to go into the road. (00:06:35)
Get The Kel Outta Here - S2-E8
Revealing mistake: Kel walks away the wrong way when told he is not allowed in the house ever again. (00:07:50)
Character mistake: In the flashback of Mr. Mac Fist hitting Roger in the eye, the fist hits Roger in his right eye. Once the flashback ends and goes back to the present Keenan and Kel, Keenan says "My dad couldn't see out of his left eye for 2 weeks."
Revealing mistake: After Kenan gets his head stuck in the bars it becomes obvious on multiple occasions while Kenan is moving around that the "bar" on his right is fairly flexible, presumably made out of rubber for the benefit of the actor.
The Raffle - S3-E3
Continuity mistake: When at Rigby's at the start, the clock is constantly changing time. (00:02:00)
The Raffle - S3-E3
Factual error: When the Rockmmores turn the new TV on, the resulting light is impossibly bright. (00:06:20)
The Raffle - S3-E3
Visible crew/equipment: When Kel is saying his balloon is handsome you can see the stagelights reflected. (00:07:20)
The Raffle - S3-E3
Factual error: The Raffle: When Kel breaks the TV, he falls in the box completely, but shouldn't be able to due to the TV being in there. (00:08:15)
The Raffle - S3-E3
Audio problem: When Kel breaks the TV, the sound is a very clear overdub to make it clear the TV is broken. (00:08:15)
The Raffle - S3-E3
Visible crew/equipment: When Kenan and Kel are in the back of Rigby's, some stage lights are reflected in the fridge. (00:08:45)
The Raffle - S3-E3
Continuity mistake: Chris comes into the shop and does not lock the door but has to unlock it for the customers to come in. (00:11:00)
The Raffle - S3-E3
Continuity mistake: Chris comes into the shop and the clock says 8:55. He states the draw will be in 20 minutes, however, at the draw the clock still says 8:55. (00:11:00 - 00:12:00)
The Raffle - S3-E3
Revealing mistake: Kel does not drop anything in the tombola. (00:13:20)
Answer: He's simply enjoying doing it himself. Especially since he likely believes he can do it better than she can.