Restaurant: Impossible

Robert Irvine has to save a restaurant and a friendship.

Robert Irvine helps the widowed owner of Don Luis Restaurant in Billings, MT, move past the grief of losing her husband. Carmen hasn't altered a thing in her restaurant since Luis' passing, and she must accept change if her business is to survive.

Robert Irvine ventures to The Emporium in the small town of Hawk Springs, WY, where owner Dennis is struggling to lead his staff and attract customers. If Robert can't make him change his ways, Dennis' daughter might walk away from the business forever.

The couple that runs Millonzi's in Fairplay, CO, is buried in debt and on the brink of divorce. Robert Irvine must get Tim and Jenifer to work as a team again if they have any hope of salvaging their relationship or their 14-year-old restaurant.

In Buffalo, single father Steven Marchione is struggling to keep the family's legacy restaurant Casa Di Francesca's open after a series of tragic life events. Robert Irvine has 48 hours to make Steven the leader his restaurant needs to save the business.

Big Tom's Backyard Grill and Bar.

Robert Irvine visits Park Vue Soul Food Bar and Restaurant in Buffalo, where an inexperienced mother and daughter team is desperately trying to serve their community. Robert helps give them the skills they need to save their dream.

Julissa, the widowed owner of the Polaris Street Cafe in Las Vegas, is struggling to save her deceased husband's dream restaurant. If Robert Irvine can't get her to find her own path, that dream will die, and so will the business.

Robert Irvine faces the most difficult challenge of his career when he must save an immigrant's American dream of holding on to her Las Vegas restaurant, Burnt Offerings. Robert must find unique ways to raise revenue and cut costs to keep the dream alive.

At Deraney's Two City Tavern in Georgia, the owner is losing his family home and his restaurant.

Robert Irvine heads to Las Vegas to work his magic at A Pizza Melody. The owner's anger issues have turned his dream of owning his own restaurant into a nightmare, and his husband has spent almost $1 million trying to make it a success, to no avail.

Robert Irvine visits Cafe No Fur in Las Vegas, where the owners -- a model and a former poker player -- are so stuck in their dysfunctional ways that the restaurant is on the verge of folding after only two years.

Grille No. 13 in Waldorf, Md.

Robert Irvine travels to Lafitte, LA, to visit Boutte's Bayou Restaurant, where owner Nick is too proud to ask for help. Robert guides Nick in becoming a real leader and trusting his staff before it's too late for the iconic coastal watering hole.

Robert Irvine helps Audra overcome her anger issues.

Ship Inn in Exton, Pa., is sinking under the owner.

Robert Irvine arrives at Dunbar's Creole Cuisine in New Orleans to find a restaurant full of history but in dire need of his help. The livelihood of two families depends on its success, but the matriarch refuses to change.

Robert Irvine is in Geneva, NY, at Cosentino's Ristorante, where co-owners Bill and Nancy are struggling to save their family restaurant. Their marriage is suffering from an unbalanced workload while their inexperienced son serves unappetizing food.

The owners of "On the Bayou" in Milwaukee can't stop fighting, and it's destroying their restaurant.

Abel's restaurant is drowning in debt.

Brothers might lose their bistro.

Robert Irvine is back at Perella's Ristorante in Warren, RI, where the owner, Lou, is facing the biggest change of his 25-year restaurant career. Robert looks to the past for inspiration to help Lou and his restaurant thrive in the present.

Robert Irvine returns to Al's Seafood in Essex, MD, which is fighting to stay afloat during the COVID-19 pandemic. With the crab season coming to a close and relying solely on takeout, the owner is just months away from losing his family legacy.

Robert Irvine returns to North Chelmsford, MA, to help Rosie's Diner get back on its feet after the COVID-19 shutdown. The diner's counter service is out of commission, and without that revenue, the owners have plunged deep into debt.

Robert Irvine heads back to the Southern Grille of Ellendale in Delaware, where the owner has made sweeping changes to his business due to COVID-19 but is still struggling financially. Robert has to do something he's never done before in order to help.