Sheen For a Day is the sixth episode of Planet Sheen from season one.
Sheen accidentally gives away the most important piece of the rocket he needs to get home to Earth. Mr. Nesmith
It is Princess Oom's "Popping Out Day" and both Sheen and the Emperor have completely forgotten. While the Emperor scrambles to find Princess Oom the perfect present, Sheen has decided he too wants a day in his honor. In an effort to impress The Emperor and get his day, Sheen gives the Emperor the perfect gift for Princess Oom, the most important part of the rocket ship he and Mr. Nesmith are building.
Now Sheen and Mr. Nesmith need to come up with a plan to get the piece of the rocket ship back before Princess Oom gets too attached to it and ruins the rocket ship completely.