I can’t find any sources that say they are non-canon. There is where Peter Hastings states that LoA is a continuation of the first movie. https://www.animationmagazine.net/2011/10/kung-fu-panda-proves-his-chops-on-nick/ Shen's defeat is mentioned in Season 2. Apparently, this is the timeline. 1. Kung Fu Panda 2. Secrets of the Furious Five 3. Kung Fu Panda Holiday 4. Kung Fu Panda: Legends of Awesomeness season 1 (production code order) 5. Secrets of the Masters 6. Kung Fu Panda 2 7. Kung Fu Panda: Legends of Awesomeness season 2 (production code order, except watch The Midnight Stranger immediately before Shifu's Back) 8. Kung Fu Panda: Legends of Awesomeness season 3 (production code order, except watch A Stitch in Time immediately after The First Five) 9. Secrets of the Scroll 10. Panda Paws 11. Kung Fu Panda 3 12. Kung Fu Panda: The Paws of Destiny 13. Kung Fu Panda: The Dragon Knight 14. Kung Fu Panda 4