Last year, the Discovery Channel used a non-Discovery star to host Shark Week for the first time—and it worked out well for them, with the largest audience ever (31 million) tuning in to the Craig Ferguson-hosted event. So this year, the network is following the same formula: Saturday Night Live cast member Andy Samberg will host. Or rather, the Washington Post notes, he will serve as Shark Week's CSO: "Chief Shark Officer." (More Shark Week stories.)