Table:
text: Charlie's Angels
Nielsen ratings/Broadcast history
Nielsen ratings/Broadcast history
Season Premiere Finale Rank_ Rating
1 September 22, 1976 May 4, 1977 #3 26.0
2 September 14, 1977 May 10, 1978 #4 (tie) 24.4
3 September 13, 1978 May 16, 1979 #9 24.9
4 September 12, 1979 May 7, 1980 #20 (tie) 20.9
5 November 30, 1980 June 24, 1981 #59 N/A

Question: What is the rank of the episode of Charlie's Angels that premiered September 12, 1979?

Question: What was the finale date for the season of Charlie's Angels which premiered September 22, 1976?

Question: What is the rank of the episode of Charlie's Angels that premiered September 13, 1978?

Question: What was the date of the Charlie's Angels season 3 finale?

Question: What was the premiere date that had a 20.9 rating on Charlie's Angels?