Super Bike / A Mile in My Shoes - S2-E6
Other mistake: When Jorgen does wand-ups to Cosmo and Wanda, he counts 1,2,1,2,etc, yet when he does them to Timmy, he counts 1,2,3,etc.
Super Bike / A Mile in My Shoes - S2-E6
Continuity mistake: When Vicky breaks a dish and dumps garbage in the sink that Wanda (as Timmy) was using to wash dishes, and gives her a shovel, one shot later the garbage disappears.
Super Bike / A Mile in My Shoes - S2-E6
Continuity mistake: After dad takes off the cloth (or something) covering the homemade bike, one rusty pipe handlebar handle snaps off. A shot somewhere after that has the handlebar ends switched.
Answer: He didn't wish for it just to get more toys. He did it because he enjoys all of the Christmas experience, including his Mom and Dad being able to stay home, and not having to be babysat by Vicki.