The following links have been identified as hosting versions of the first film: Kung Fu Panda 1 Google Drive Kung Fu Panda 1 (2008) Link Kung Fu Panda 1 Master Version Internet Archive Repack How to Use These Links
If you are looking for the best quality (4K/HD) without the buffering or "file not found" issues common on Drive: kung fu panda 1 google drive better
High-quality 1080p versions of the film typically range from 1.5GB to 3GB. If a file is only 300MB, it is likely a low-resolution "cam" or heavily compressed version. The following links have been identified as hosting