Thanks to an ill-advised promotion and sloppy maintenance, a nightclub is overrun by mosquitos, fruit flies and unruly minors.

Undisputed Sports Bar & Grill, Yonkers, NY. Rowdy customers at a New York sports bar attack Taffer's crew when they discover they are being served cheap booze at premium prices, prompting Jon to teach the importance of serving quality drinks and maintaining crowd control.

Rhythm & Brews, Staten Island, NY. A Staten Island bar that is overrun by customers who are cooking their own food and getting their drinks, due to the employees poor work ethic and the owner's hands off approach in running the bar. Jon must re-ignite the owner's fire and teach the staff why they need to do their own work.

Laguna Lounge

Jack's Ale House

Lickety Split

Plush

Dirty Rooster

Y-Not III

Packey's Pub

Second Base

Underground Wonder Bar

Toucans Oceanside Bar & Grill

Heat Restaurant & Lounge

Sandbar Sports Grill

Friar Tucks

The Los Angeles Brewing Company

The Holding Company

Jon revisits Solids & Stripes, Pat's Cocktails, MoonRunners Saloon and Corporate Bar & Grill to see if the hotheaded owners of these once-failing bars are keeping their cools.

Mandala Lounge in San Mateo, California

A family-owned bar is put at risk when a son's excessive drinking and poor management choices begin to attract X-rated clientele.

Jon is called in to help a retired baseball player turned bar owner who struck out when he hired a boozy staff content to waste the bar's profits.

Before he can save their failing bar, Jon must navigate the turbulent business partnership between an ex-pilot and his ex-girlfriend

Jon tries to help the owner of a failing Portland, Oregon, bar cool the temper of his stubborn chef and his overbearing stepdaughter turned business partner.

Taffer is assisted by Alexander Siddig and Iddo Goldbert, the stars of TUT, to help him rescue a Moroccan bar with an identity crisis.

Jon tries to motivate the inattentive owner of a failing Portland, Oregon, music venue plagued by mismanagement and an ant infestation.

Jon checks in on some of the most stubborn owners he's ever worked with, including the owner of O Face, where Jon previously walked out without completing the rescue.

The eccentric owner of Brix Wine Bar is too busy being the life of the party to notice his business is withering on the vine.

Jon is tasked with rescuing a Chicago sports bar that's heavy on managers and light on respect for the owner.

A bar owner takes a less active role in his business after becoming convinced his bar is haunted.