DSSFR

Season 6 (1998-2000)
This is the last season to use "hand-cel" method, Season 7 onward would use "digital ink-and-paint" method, and the last season in the "Classic 90's Collection."

Season 7 (2000-2003)
This is the first season to use the "digtial ink-and-paint" method, and have new directors, such as Aaren Kent, and Orrell Sage.

Season 8 (2004-2007)
This is 1 out of 2 seasons to be co-produced by Nelvana, but it will still be hand-drawn animation as always. This is the first season to be co-produced by Dennis Marker. Also the last season to be produced in 4:3 ratio.

Season 9 (2009-2011)
This is the last out of 2 seasons to be co-produced by Nelvana, but it will still be hand-drawn animation always. This is also the first season to be produced in 720p, Season 10 onward would be produced in 1080p. Starting with " Shoping Vermit," the episode is produced in 1080i.

Season 10 (2012-2014)
This season and so on is produced in 1080p.