Check out the official trailer for the upcoming RocketJump series Dimension 404 premiering exclusively on Hulu on 4.04. Dimension 404 is a six-episode sci-fi/anthology series narrated by Mark Hamill (Star Wars) and starring Lea Michele, Joel McHale, Constance Wu, Sarah Hyland, Megan Mullally, Patton Oswalt, Ashley Rickard, Robert Buckley, Lorenza Izzo, Malcolm Barrett and many more.