It's another classic procrastination / displacement quiz

When did the following come out.

1. The Bakshi "Lord of the Rings" film
2. The Rankin / Bass "Return of the King" film
3. The Rankin / Bass "Hobbit" film
4. The Peter Jackson "Fellowship of the Ring" film
5. The Brian Sibley "Lord of the Rings" radio adaptation
6. The first BBC "Lord of the Rings" radio adaptation
7. The BBC "Hobbit" radio adaptation
8. US National Public Radio "Lord of the Rings" adaptation
9. The WBAI "Lord of the Rings" adaptation
10. The Finnish live action television series "Hobtit"

11. Explain why
12. Show your workings