I found this off a fan-made Brother Bear website, a Russian one to be exact. (I think you can also find this clip on the Brother Bear DVD in the bonus features)
This clip shows you what Kenai is saying to Koda during the confession scene (in the movie, Phil Collins' song "No Way Out" is used to 'hide' the conversation).
This is a post-production scene, so the artwork is still unfinished (no colouring), although the animations are already finished. Audio is real, and was also used in the movie, only inaudible.
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Watch video Brother Bear - Behind the confession scene... online without registration, duration hours minute second in high quality. This video was added by user Excal! 15 March 2008, don't forget to share it with your friends and acquaintances, it has been viewed on our site 262,851 once and liked it 2.9 thousand people.