Dana White welcomed the 32 fighters, consisting of 16 featherweights and 16 bantamweights, to the show at the Mandalay Bay Events Center in Las Vegas, Nevada. He introduced them to the coaches, middleweights Jason "Mayhem" Miller and Michael Bisping.

Bisping and Miller make their official team picks. Miller then makes the first fight, an underdog match that will feature his fighter Bryan Caraway against Marcus Brimage.

Bisping gets Mayhem back after his tire prank in the dressing room by jacking the tires on Mayhem's car. Tempers flare during a Team Bisping sparring session, especially between Diego Brandao and Marcus Brimage.

Bisping doesn't show up for the featherweight fight announcement and his team wonders where he has been. The featherweight matchup was announced: Dennis Bermudez vs. Stephan Bass.

After the previous fight, Diego Brandao calls out Steven Siler, wanting to fight him next. Miller devises a plan to throw off Team Bisping by postponing the predetermined matches to one week.

Two fights highlight this one, including a finish that shocks Dana White!

Roland Delorme's foot injury leaves him questioning his future fighting on the show. Former Brazilian muay thai champion Rafael Cordeiro of Chute Boxe Academy guest coaches during Team Miller's training session.

Louis Gaudinot breaks down the separation going on in the house breaking it down into three groups: Louis, Dodson, Ferguson, Diego, Marcus, and Akira all hang out with each other; then there's the "Bible Study Group" which is Bedford, Dennis, and Dustin who stay to themselves; and lastly is "The Casino" made up of T.J., Neace, Prince (Albert), Caraway, and Bass who all play cards together every night.

Dustin Pague acts like a good samaritan when he tells the van driver to stop so he can give a homeless man on the street a food care package. When Mayhem stops by the house for the fighter's barbeque, he dares Dustin Pague to eat a couple of live backyard bugs. Dustin excepts and eats the creepy crawlers for Mayhem's $60.

The last two semifinal fights take place (Bantamweights): Johnny Bedford vs. John Dodson, and (Featherweights): Bryan Caraway vs. Diego Brandao.

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The Season 15 champion is crowned as Michael Chiesa faces Al Iaquinta in an all Team Faber finale in Las Vegas. Also: Jake Ellenberger vs Martin Kampmann in a welterweight bout. Also: Max Holloway vs. Pat Schilling; Jonathan Brookins vs. Charles Oliveira; Justin Lawrence vs. John Cofer.