Ash's Best Day Ever is the sixth episode of the fourth season of Pokemon Puzzle League: The Animated Series. It aired on October 7, 2000.
- Ash is excited about his best day ever, as he leaves his house in order to enjoy his time at the Cartoon Academy with Rebecca, Rikochet, Kevin, and Rex. However, Mel and her friends want to ruin Ash's day.
- Ash Ketchum (Veronica Taylor)
- Mary (Kerry Williams)
- Wilhomena (Amy Birnbaum)
- Steven (Dan Green)
- Rebecca Norman (Jocelyne Loewen)
- Rikochet (Carlos Alazraqui)
- Kevin Keene (Matt Hill)
- Rex Salazar (Daryl Sabara)
- Lexi Bunny (Jessica DiCicco)
- Fiona Von Steig (Kate Micucci)
- Marie "Rogue" D'Ancanto (Meghan Black)
- Mel Blake (Stephanie Morgenstern)
- Brittney Wong (Minae Noji)
- Zuzu Boyle (Emily Jenness)
- Meilin Rae (Nicole Oliver)
- Malinda Doe (Jocelyne Loewen)
- Kendall Perkins (Emily Osment)
- Pacifica Northwest (Jackie Buscarino)
- Lorelei Brooks (Kelly Sheridan)
- Jordan Hanson (Bryn McAuley)
Counselors of The Cartoon Academy
- Principal Rabbit (Ken Samson)
- Superintendent Donkey Kong (Richard Yearwood)
- Julie Kane (Kate Miccuci)
- Lt. Felina Feral (Lori Alan)
- Mitchie O'Hara (Stephanie Morgenstern)
- Lord Starchbottom (Paul Rugg)
- Mr. Midcarda (Carlos Alazraqui)
- Mr. Hasbeena (Charlie Adler)
- Robert Hawkins (Kevin Michael Richardson)
- Master Fung (Maurice LaMarche)
- Dr. Anna (Megan Hollingshead)
- Dr. Proctor (David Brimmer)
Who's That Pokemon
- My Best Friends
- This is the first episode where Rebecca wears a light blue long sleeved shirt, complete with a short black miniskirt, light brownish tan pantyhose and black high heels.
- It is revealed that Ash is having a happy day.
- The Best Day Ever and You Are My Sunshine are among the songs.
- Lexi is shown to have been a married bunny.
- Lorelei and Jordan appear in Mel's side.
- (We open this episode with the Johto Journeys theme song)
- Chorus: It's a whole new world we live in (live in) Pokémon Johto! Everybody wants to be a Master Everybody wants to show their skills Everybody wants to get there faster Make their way to the top of the hill Each time you try, gonna get just a little bit better Each step you climb is one more step up the ladder It's a whole new world we live in It's a whole new way to see It's a whole new place with a brand new attitude But you still gotta catch 'em all and be the best that you can be Pokémon Johto! It's a whole new world we live in (live in) But you still gotta catch 'em all and be the best that you can be Pokémon Johto! Pokémon Johto!