Of the very many famous people who admired the late comic actor Paul Reubens’ singular creation named Pee-wee Herman — among them Conan O’Brien, Jimmy Kimmel, film director John Waters, Lily Tomlin, ...

In a compelling, two-part, three-hour-long HBO documentary, “Pee-wee as Himself,” we hear from fans and friends, but mostly from Paul Reubens himself.