Undercover Billionaire: Comeback City Season 2 is yet to be announced by Discovery Channel

Glenn takes on his biggest challenge yet: saving his own business.

Glenn returns to save Lake Erie Rubber, a staple of Erie manufacturing; Glenn puts owner Jon Meighan through a salesman bootcamp and challenges him to think outside the box to reinvent the business.

Glenn teams up with Tae Bo inventor Billy Blanks to transform a struggling karate studio into a full-fledged fitness empire, but owner Brian Arrington must turn his part-time side project into a full-time second career.

Glenn calls on his friend Cat Cora to help save a 60-year-old Italian diner, but husband-and-wife owners Tony and Tina Ferraro must learn to adapt to the times if they want to keep the nostalgic eatery alive.

Glenn brings in a secret weapon to turn Erie native and natural-born entrepreneur Michael Hooks' multiple hustles and side gigs into a business empire that will change people's lives.

Self-made billionaire Glenn Stearns reveals what it takes to save a struggling business when he's called on to rescue Tipsy Bean, an Erie coffee shop with huge potential but suffering from a fatal flaw.