There are many film and audio adaptations of The Hobbit and The Lord of the Rings, and here I rank the major ones by fidelity to Tolkien's original work.    

Here are my previous reviews of some of these adaptations:  

The Bakshi LOTR film: https://www.youtube.com/watch?v=noahXOFIglo 

The Rankin/Bass ROTK film: https://www.youtube.com/watch?v=kp4alML9OsY 

The Rankin/Bass Hobbit film: https://www.youtube.com/watch?v=SJfw6a0pCfg 

The BBC LOTR radio adaptation: https://www.youtube.com/watch?v=DItA3JUtF3Q 

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