Prime-time viewership numbers compiled by Nielsen for May 13-19. Listings include the week’s ranking and viewership.
1. “The Big Bang Theory,” CBS, 18.5 million.
2. “Game of Thrones,” HBO, 13.61 million.

3. “Young Sheldon,” CBS, 13.6 million.
4. “NCIS,” CBS, 11.7 million.
5. “Unraveling the Mystery: A Big Bang Farewell,” CBS, 11.6 million.

6. “American Idol” (Sunday), ABC, 8.7 million.
7. “FBI,” CBS, 8.6 million.
8. “60 Minutes,” CBS, 8.4 million.
9. NBA Playoffs-Conference Finals, Portland at Golden State (Thursday), ESPN, 8 million.
10. “Chicago Med,” NBC, 7.98 million.
11. “Chicago Fire,” NBC, 7.96 million.
12. “The Voice,” NBC, 7.7 million.
13. NBA Playoffs-Conference Finals, Portland at Golden State (Tuesday), ESPN, 7.5 million.
14. NBA Playoffs-Conference Finals, Portland at Golden State (Saturday), ESPN, 7.24 million.
15. “Survivor,” CBS, 7.21 million.
16. “Bull,” CBS, 7.2 million.
17. “NCIS: New Orleans,” CBS, 6.9 million.
18. “Chicago PD,” 6.7 million.
19. “The Voice” (Tuesday), NBC, 6.6 million.
20. “9-1-1,” Fox, 6.4 million.
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