Question: How many episodes of season 8 blue bloods?
Disambiguated questions and answers: question: How many episodes of season 8 blue bloods aired in 2017?
How many episodes of season 8 blue bloods aired in 2018?
How many episodes of season 8 blue bloods had more than 10 million  total viewers?
answer: 10
12
21
Natural Questions answer: 22 (from the Wikipedia article "Blue Bloods (season 8)")