20 episodesFirst aired 23 August 2016
E1Aug 201645m
The fourth season begins with the revival of a well-known restaurant chain that didn't turn out like two business partners planned.
E2Aug 201645m
E3Sept 201645m
A Milwaukee-based chain of soup restaurants needs professional help after its co-owner's sudden passing.
E4Sept 201645m
A charity-centric watch business suffers from a rushed process, unfocused branding and emotional baggage.
E5Sept 201645m
A Chicago catering company needs help after suffering a steep drop in sales and an owner who vents his frustration on the employees.
E6Sept 201645m
The owner of a cleaning product line is putting her business at risk with aristocratic marketing, high prices, and an unwillingness to face reality.
E7Oct 201645m
A Los Angeles furniture company struggles with old inventory and quality control.
E8Oct 201645m
A father and son with a broken relationship are leading their tea shop franchise into dangerous territory. If Marcus can't get them to separate their business and personal lives, tea time will be over... for good.
E9Oct 201645m
A beloved kitchen supply store in Manhattan faces extinction after its owners' divorce. If Marcus can't figure out a way to get them working together, the deal may go up in smoke.
E10Nov 201645m
A Mexican-American's tortilla business is being decimated by big competitors. Marcus will team up with George Lopez and the owner to develop products and make this American dream a reality.
E11Nov 201645m
Marcus helps a Manhattan-based fashion designer who is failing because she lets her family and co-workers overpower her.
E12Jun 201745m
A family-run swimwear company struggles to connect with consumers due to poor leadership, outdated designs, and misguided processes.
E13Jun 201745m
A Chicago snowboard shop goes downhill after its owners try to expand too quickly and stop communicating with one another.
E14Jun 201745m
Marcus helps a family-owned hair care company that reached a breaking point because of the father's costly side projects.
E15Jun 201745m
Marcus helps a sound-proofing company, started by two best friends, which has so little cash they must rely on unpaid volunteers.
E16Jul 201745m
Marcus helps a California entrepreneur who went all-in on a coffee business with no prior experience and got in over his head.
E17Jul 201745m
Marcus helps a gelato popsicle company whose owner jumped the gun by starting a franchise business and now suffers from a waning work ethic.
E18Jul 201745m
A family-owned chocolate shop was started by three siblings in support of their chocolatier father; despite circumstances becoming desperate, the family is resistant to change.
E19Aug 201745m
Marcus Lemonis shares his top 10 most important rules for success while sharing key moments of past episodes.
E20Aug 201745m
Marcus Lemonis travels throughout California, where a new law will soon allow any adult to buy cannabis legally, and profiles several pot entrepreneurs, from small-scale startups to multi-million-dollar ventures.