Stormtroopers first appeared in the Season Eleven episode, "Imaginationland, Episode II", where they were seen in the background chasing Butters Stotch. They next appeared, briefly, in the Season Twelve episode, "The China Probrem", where Steven Spielberg and George Lucas were seen raping one. In the Season Sixteen episode, "Obama Wins!", two Stormtroopers can be seen escorting a captured Eric Cartman to be interrogated by Mickey Mouse.
Stormtroopers have white armor with utility belt and a grappling hook attached to it. Their armor protects their entire bodies, including their head and provides functions such as cranial protection, filtered air, blaster protection, temperature controls and much more. They can be typically seen wielding "E-11 blaster rifle", an energy weapon serving as the standard issue weapon of Imperial stormtroopers in Star Wars universe.
- In "The Return of the Fellowship of the Ring to the Two Towers", Kevin Stoley can be seen dressed as a Stormtrooper, whilst the other children were dressed as Lord of the Rings characters.
- In "Free Hat", several Stormtrooper helmets can be seen in George Lucas' house.
- "Imaginationland, Episode II" - Seen chasing Butters Stotch.
- "The China Probrem" - Seen being raped by Steven Spielberg and George Lucas.
- "Obama Wins!" - Seen escorting Eric Cartman.