Four buddies set off across the country in an R.V., video camera in tow, to knock items off their “100 things to do before I die” list: kiss the Stanley Cup, get a tattoo, grow a mustache.

With plenty of high jinks and adolescent humor, “The Buried Life” seems like the perfect MTV reality show, except for one unexpected twist. At each stop the group helps deserving locals with their own wishes. In Idaho, for example, they took eight children with brain cancer on a shopping spree at Toys “R” Us.

Meet MTV for the era of Obama. After years of celebrating wealth, celebrity and the vapid excesses of youth, MTV is trying to gloss its escapist entertainment with a veneer of positive social messages.

Last fall, after the financial crisis erupted but before the presidential election, MTV executives gathered in New York for meetings to discuss the direction of the network and whether programs like “The Hills,” which chronicles the lives of the young and rich in Los Angeles, and “My Super Sweet 16,” a weekly visit to over-the-top coming-out parties, had trapped MTV in a decadent age that was passing.