The first season of The Backyardigans aired from October 11, 2004 to March 10, 2006. It contains twenty episodes.
Austin made his debut in this season. The other major characters had appeared six years prior in "Me and My Friends", an unaired live-action pilot that launched the series.
Uniqua, Tyrone and Pablo appear in all episodes.
Tasha and Austin were absent for eight episodes.
- This season is available on Nickelodeon's video-on-demand service. It was the first season to surface on these platforms.
- This season has been released to the Canadian iTunes store.
- The opening backyard scenes in this season are considerably longer than in the following seasons.
- This is the only season where Pablo's speaking voice is done by Zach Tyler Eisen, as well as the only season where Tyrone's singing voice is provided by Corwin C. Tuggles.
- This is the only season without a two-part special.
- This is the first of two seasons not to have snack time at Austin's House, the second being Season 3.