Captain Zep – Space Detective is a British television children's series produced by the BBC between 1983 and 1984. Constructed as part drama and part quiz game, Captain Zep featured mysteries that would be solved by the child audience in the studio, along with a write-in competition for viewers. The child audience were dressed in futuristic clothes and had gelled hair. The series was also notable for its combination of live action and animation, where the cast would interact with drawn alien characters amidst drawn backgrounds.