Even though I still have a soft spot for this show, I personally wish it didn't become as popular as it did, mostly due to the fact that my view on Butch Hartman has changed over the years.

If it were up to me, I would keep Season 1 as it is, rearrange a few episodes in Seasons 2 and 3, leave some episodes out, and have the show end after "Abra-Catastrophe" (My apologies to any fans of "Channel Chasers").

For example:
Here are the episodes I would keep and rearrange after Season 1.

(Note: My version of Seasons 2 and 3 have the same number of episodes as Season 1)

Season 2 (2002)

1. Boys in the Band / Hex Games

2. Boy Toy / Inspection Detection

3. Action Packed / Smarty Pants

4. Super Bike / A Mile in My Shoes

5. Timvisible / That Ol' Black Magic

6. Hail to the Chief / Foul Balled

7. Totally Spaced Out / The Switch Glitch

Season 3 (2003)

8. Information Stupor Highway

9. Mighty Mom and Dyno Dad /
   Knighty Knight

10. Fairy Fairy Quite Contrary /
    Nectar of the Odds

11. Deja Vu / The Boy Who Would Be Queen

12. Shiny Teeth / So Totally Spaced Out

13. Cosmo Con / MicroPhony

14. Abra-Catastrophe (TV Movie / Series Finale)

And here is a list of episodes I left out:

Season 2:
• Twistory
(This one needs no explanation.)

• Fool's Day Out
(I thought "Christmas Everyday" was a better introduction to the April Fool.)

• Scary Godparents
(This episode was kind of all over the place with the Yugopotamians being shoehorned in and the first act was pretty mean-spirited. Plus, the Buxaplenties are back despite what happened at the end of "Fairy, Fairy Quite Contrary". The "Real and Scary" song was still pretty good, though.)

Season 3:
• Ruled Out
(This one was the start of the show's reliance on gross-out humor.)

• That's Life
(I didn't think the "Everything I touch dies" joke was very funny.)

• Odd, Odd West
(I agree with John Fountain, the director and storyboard artist of this episode: I, too, didn't like the general premise of it.)

• Wanda's Day Off
(This episode kickstarted the dynamic of Wanda being the sane one and Cosmo being a complete moron who struggles to function without her. Thus ending their old dynamic of being "two halves of a whole idiot.)

• Love Struck
(Do I really need to explain why I left this episode out?)

• Odd Jobs
(The jokes about Pluto and the space suits with built-in bathrooms weren’t that funny.)

• Movie Magic
(The humor in this one kinda falls flat.)

• Sleepover and Over
(I thought the book version was better. It doesn't have that running gag of Cosmo getting distracted by an animal, naming the animal, and then getting emotional when something bad happens to the animal he named.)

• Mother Nature
(I don't understand why the men in this episode are so obsessed with fishing and forming an angry mob to chase after a weatherman just for getting the forecast wrong.)

• The Crimson Chin meets Mighty Mom and Dyno Dad
(I don't have much to say about this episode other than the fact that Timmy, Cosmo, and Wanda couldn't tell the Crimson Chin and the Nega Chin apart.)

• Engine Blocked
(I'll just say that I didn't like this episode very much.)

• Most Wanted Wish
(The rock joke got old pretty quick.)

• This is Your Wish
(Just another episode where Mama Cosma tries to have Cosmo move back in with her and never be with Wanda ever again.)

• Beddy Bye
(Another episode with gross-out jokes. But I did like the Sandman and his design.)

• The Grass is Greener
(A real "meh" episode.)

• The Secret Origin of Denzel Crocker
(I know people like this episode but... I guess I'm one of those people who thought it wasn't as great as everyone says.)

• Kung Timmy
(This was just a pretty crazy episode.)

• Which Witch is Which?
(They introduced the possibility that one of Crocker's ancestors was a witch but it's never brought up again.)

• Pipe Down
(This episode was just plain annoying and frustrating to me.)

• The Big Scoop
(I thought the way they went with this episode wasn't that interesting. A nice callback to Season 1, though.)

• Crime Wave
(An episode where jokes about naked people and dirty diapers are supposed to be funny.)

• Odd Ball
(The lessons about sharing and working together felt a tad forced.)

• Where's Wanda?
(Not a great mystery, if I'm being completely honest.)

• Imaginary Gary
(Sending a kid to therapy just for having an imaginary friend? That's a little dark, don't you think?)

• Chip Off the Old Chip
(This episode's running gag of always relying on TV for an answer to any question wasn't really that funny. On the plus side, "Find Your Voice" is a great song.)

• Snow Bound
(And finally, an episode that's... Well, let's just say the jokes about women in the later seasons of FOP haven't aged well.)