You will Watch Hulk and the Agents of S.M.A.S.H. Season 2 Episode 4 online for free episodes with HQ / high quality. Stream cartoons Hulk and the Agents of S.M.A.S.H. S02E04 Fear Itself. The Agents of S.M.A.S.H. must face each of their greatest fears in order to stop the Null from crossing through a worm hole to reap ruin upon Earth. They also receive help from Silver Surfer into combating the Null.