UFC 89: Bisping vs. Leben was a mixed martial arts event held by the Ultimate Fighting Championship (UFC) on October 18, 2008 at the National Indoor Arena in Birmingham, England. The event was headlined by a middleweight bout between Michael Bisping and Chris Leben. This event aired live in Great Britain and Ireland on Setanta Sports and via tape delay in the United States and Canada on Spike TV. It also aired live via Rogers Sportsnet in Canada. The broadcast peaked with 3.4 million viewers on Spike TV.