The Fairly OddParents (2001) : 7x9

Timmy's dad is very busy working, so busy in fact, that when Timmy & him are doing something fun, he suddenly has to leave & Timmy's left alone. So he finds a solution, to wish up many dads, so that every time one of them has to leave, he has another one, but then there's too many dads! And they all want Timmy! Then when he realizes he doesn't want or need many dads, he has to find a way to get rid of them.......by sending them to another planet and gives them Timmy plushies so they can be happy!