
Before hosting Discovery's "Dirty Jobs," Mike Rowe had a program in San Francisco about folks on a mission -- mad scientists, eccentric collectors, devoted do-gooders -- called "Somebody's Gotta Do It." Now, CNN gives Rowe free rein to scour the country for people who, he says, "do what they do because of a weird mix of love, compulsion, obsession, dedication -- whatever it is. Those people have always interested me." The former series focused on the task, but this version spotlights the personality. Or, as he puts it: "More mission, less poop."

Don Daughtry teaches his young students to reach for a brighter future as he leads a drum and dance corps called The Marching Cobras in Kansas City, Mo.

Mike Rowe travels to Milwaukee's Harris Bradley Arena, where he assists in converting the venue into a Monster Jam track.

Mike meets carpenters Adam Dick and Dustin Taylor, who used their love of chocolate and second-hand equipment to turn their lumberyard into a chocolate factory, which became one of the nation's only bean to bar gourmet chocolate companies.

Mike Rowe travels to Chicago to immerse himself in the world of professional bull riding.