Kidsongs: Adventures in Biggleland: Billy's Birthday is 6th Season 6 entry of Kidsongs Music Video Stories was released in December 26, 2000.
- William "Billy" Biggle
- Mrs. Biggle (William "Billy"/Ruby Biggle's Mother)
- Mr. Biggle (William "Billy"/Ruby Biggle's Father)
- Ruby Biggle
- Freckles Biggle
- Chef Biggle
The Kidsongs CastEdit
- Adventures in Biggleland
- I'm a Big Boy
- Go In And Out The Window
- Jump-Jump, Turn Around, Start Again
- Happy Birthday to You
- You Can't Sit Down
- This is the first video to feature Angelica Ginn, Freckles Biggle and the Biggleland song and last season 5 of The Kidsongs Television Show episode and first and last episode to feature Billy and Ruby's parents and the Biggles chef and last episode to feature Carly Naples, but she was still in the opening and ending titles and credits until the end.
- The Barney costume from "Barney Live! in New York City" is used.
- The Barney voice from "Barney Live! in New York City" is used.