|Birthday Ghost Boy|
|Season 1, Episode 20|
Danny turns 15, and Danny's family and friends want to make his birthday party the best, but some of Danny's enemies plan to ruin it.
- David Kaufman as Danny
- Krista Swan as Dani
- Grey Griffin as Sam
- Ricky D'Shon Collins as Tucker
- Kath Soucie as Maddie/Lunch Lady
- Rob Paulsen as Jack/Box Ghost/Technus
- Colleen Villard as Jazz
- Ron Perlman as Mr. Lancer
- Maria Canals Barrera as Paulina
- Tara Strong as Ember/Star/Spectra
- S. Scott Bullock as Dash Baxter/Jeremy Manson
- James Sie as Kwan
- Laraine Newman as Pamela Manson
- Jeff Bennett as Sidney
- Susanne Blakeslee as Dorathea
- Eric Bauza as Amoprho
- Peri Gilpin as Desiree
- William Baldwin as Johnny 13
- Chynna Philips as Kitty
- Ron Perlman as Clockwork/Mr. Lancer
- Jon Cryer as Freakshow
- Jim Ward as Bertrand
- Catherine Taber as Catherine
- Jason Marsden as Rem
- It's revealed that Sidney Poindexter's birthday occurs on the same day as Danny's birthday.
- Desiree, Johnny 13 and Kitty all reform in this episode.
- Dorathea attends Danny's birthday as Dora Mattingly, her human disguise from the episode "Beauty Marked".