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 1970s.
1. Future Cop
2. Harry O
3. Black Sheep Squadron
4. The D.A. (1971)
5. Sanford and Son
6. The Bob Newhart Show
7. Laverne & Shirley
