Another easy one?

By the numbers.

1. Once upon a ____
2. Two for the ____
3. Three on a ____
4. Fourth ____ (newspapers, media)
5. Fifth _____ (sympathizers, spies?)
6. Sixth _____ (psi, movie title)
7. In seventh _____
8. Behind the eight ____
9. On ____ nine
10. Ten most ____

( Eleven )