It's another warped day for Commander Höek and Cadet Stimpy as they fly into a mind-bending black hole, mutate continuously, and discover a mountain of missing left socks. Stimpy invents a Happy Helmet so that his foaming friend Ren can be happy all the time. But it pushes Ren way past happiness and into utter insanity - and the nonstop "Happy, Happy, Joy, Joy" song doesn't help either!