22 March 2011,
Take a look at these pictures from Sean Combs' (P. Diddy) upcoming guest appearance on Hawaii Five-0. This episode airs on April 18th on CBS. Synopsis:

When a crime lord moves against the family of an undercover NYPD detective who infiltrated his organization, it's up to McGarrett (Alex O'Loughlin, left) and Five-0 to stop the policeman (Sean Combs, right) from exacting revenge, on Hawaii Five-0