7. "Bull" (CBS)
Average viewers: 14.6 million
Michael Weatherly stars as Jason Bull, the founder of a trial consulting firm that analyzes juries and witnesses for its clients. "Bull" is currently airing its third season.
6. "The Good Doctor" (ABC)
Average viewers: 15.7 million
Freddie Highmore plays an autistic and talented young surgeon in this CBS drama now in its second season.
5. "Young Sheldon" (CBS)
Average viewers: 16.3 million
This "Big Bang Theory" prequel follows Sheldon Cooper as a brilliant child.
4. "NCIS" (CBS)
Average viewers: 17.1 million
A long-running procedural, "NCIS" follows the Naval Criminal Investigative Service and is currently airing its 16th season.
3. "This Is Us" (NBC)
Average viewers: 18.1 million
The Emmy-winning NBC drama about a family's life told between the past and present has held a firm audience in its second season.
2. "The Big Bang Theory" (CBS)
Average viewers: 18.8 million
"The Big Bang Theory" is ending after 12 seasons of geek-related humor.
1. "Roseanne" (ABC)
Average viewers: 20 million
ABC rebooted "Roseanne" this year to impressive results as far as ratings go, but the success was short lived. It still remains the biggest show of the year, though.
