Kevin, Joe and Nick prepare to leave home to begin a concert tour.

The guys rehearse for a concert in Tucson.

The guys attempt indoor skydiving in Las Vegas.

The guys greet fans and perform in Tucson.

Joe takes a driver-training class in Salt Lake City.

Spotlighting the guys' parents, Kevin Sr. and Denise, as they attempt to keep their sons' lives as normal as possible.

The guys perform at a concert in Hollywood and attend a party after the show.

The guys emphasize eating healthy and exercising.

The guys travel across the country in their tour bus.

Nick goes on a field trip and continues his studies for high school.

The guys discuss their songwriting.

Nick discusses his diabetes and how he deals with it on tour.

Frankie, the guys' youngest brother, is spotlighted.

The guys write songs, perform, make tour decisions and update their web site.

The first season ends with the guys concluding their concert tour in their hometown of Wyckoff, N.J.