The final Sunday night show pulled in 13 million viewers, down from 17.2 million last year.
The second season premiere was even more viewed than the first, pulling in over 23 million viewers and setting a series record.
The pilot pulled in 4.575 million viewers, a 17.7% share between 9pm and 10pm.
The show's debut last Tuesday night pulled in 2.4 million viewers.
With the two women added, the show began to pull in more female viewers.
The show pulled in nearly 267,000 viewers, which was a 1.6% share of the audience for that night.
The third season finale managed to pull in only 960,000 viewers.
Show alone regularly pulling in over 400,000 teenage viewers every week.
The "Mammoth" special pulled in more than 10 million viewers.
It pulled in more than six million viewers on Saturday night.