After the opening credits roll in the 2004 version, The transition from there to the bubbles shows a glimpse of the 1999-2003 version.
During the cow poem in the 2004 release and a few foreign releases, the chimes sound effect was removed.
For a split second if you look closely, The frames of the bubbles footage doubled up.
Before the opening puppet show in some releases, one can see Bard go down to the screen for a brief second.
In the Torpedo Run: Figure 8 Starter Set scene with the Little Knotties plushies, during the last 2 laps around passing the rabbit plush and all 3 plushies, you can see the edge of the black backdrop.