Trivia

• Who's Your Daddy? - The title is a reference to the famous phrase.
• In this episode, it is revealed that Cosmo was in a scout troop once. "Exactly yesterday".
• This episode is one of Butch Hartman's top 5 picks in the DVD Timmy's Top Wishes.
• There is a book adaptation of this episode called "Pick A Dad-Any Dad!", but with many differences, such as the ending part being that Timmy ends up going to the festival with his dad afterall, instead of his mom like in the show.
• A running gag in this episode is that when Cosmo flashes back to him being a scout troop, he notes that it was like it was only yesterday.
• Another running gag in this episode is that when the flashback is shown Cosmo is shown trying to help an old lady to earn a badge, but the old lady gets hurt in a somewhat violent but comedic fashion.
• Sanjay's step-dad is not good at math as he stated so himself. If he doesn't know what number comes after another number he has to start over at the beginning.

Goofs

•  Mrs. Turner says she would be doing something with her 397 Cream Puff Merit Badges, but if you count the number of badges there are actually only 289 badges not 397.