On the Rocks

Oxford Inn in Royal Oak, Mich.; restaurant owners try to attract more clients by adding on a bar.

John Green visits Ali Baba's Cave in San Diego; he lends his expertise to reinvigorate the failing hookah bar with a tired theme.

A dive bar owner, Jen, struggles to balance running the bar and raising her children since losing her husband one year ago; John Green must turn the aging San Diego landmark, London's West End, into the ultimate nighttime destination.

A lounge near a college campus cannot attract students as patrons; John Green visits 12 Whiskey in Fort Worth, Texas.

Boxcar in Cedar Hill, Texas; squabbling siblings run a bar into the ground; John takes the reins to make this bar a success again.

Ringside in Huntington Beach, Calif.; a fight-themed bar owner is unable to pay his bills.

John Green revamps one of Hawthorne, California's oldest bars in just four days.

John Green visits an Irish pub in Santa Clarita, Calif. and has only four days to turn this bar around.