Bellator 138 took place on Friday night at the Scottrade Center in St. Louis, Missouri and the card was headlined by Kimbo Slice defeating Ken Shamrock by TKO on the first round. 
According to Spike, Bellator 138’s preliminary live viewership landed at 1.6 million total viewers and the replay showing of the event (12:03-3:25 a.m. ET) came in with 339,000 viewers.
The main event bout between Slice and Shamrock drew 2.1 million viewers (11:45 p.m. – 12:00 a.m.) and peaked at 2.4 million viewers at 11:53 p.m. ET.
The average of 1.6 million is the largest viewership for a Bellator card and the previous record was 1.2 million for last year’s Bellator 131.
With the viewership from Friday night, the overall average for a Bellator event under Scott Coker is now at 751,000 viewers. The average for a “tent pole” event is 1.224 million and the other events have averaged 615,000 viewers.
Bellator 122: 572,000
Bellator 123: 667,000
Bellator 124: 771,000
Bellator 125: 742,000
Bellator 126: 656,000
Bellator 127: 609,000
Bellator 128: 668,000
Bellator 129: 564,000
Bellator 130: 664,000
Bellator 131: 1.2 million *
Bellator 132: 767,000
Bellator 133: 565,000
Bellator 134: 872,000 *
Bellator 135: 607,000
Bellator 136: 655,000
Bellator 137: 594,000
Bellator 138: 1.6 million *
* – Tent Pole Event