Pick the network a television show originally showed on. In the case of a television show that began on one network, and was picked up by a second one, we're looking for the first network. All shows began during the 1960s.
1. The Andy Griffith Show
2. Mission: Impossible
3. The Roaring 20's
4. Star Trek
5. Gilligan's Island
6. The Wild Wild West
7. I Spy
8. The Big Valley
9. The Second Hundred Years
10. The Flying Nun