Every season of Three Sisters Investigate ever, ranked from best to worst by thousands of votes from fans of the show. The best seasons of Three Sisters Investigate!

Episode 1

Episode 2

Episode 3

Episode 4

Episode 5

Episode 6

Episode 7

Episode 8

Episode 9

Episode 10

Three sisters, all otherwise typical junior, high school student and college students, who, while probing into the murder case of their father, get themselves in the middle of other cases and wind up becoming detectives themselves.

The Best Seasons of Three Sisters Investigate

The Best Seasons of Three Sisters Investigate

The Best Seasons of Three Sisters Investigate

Season 1