H2S
- Godina: 1969
- Zemlja: Italy
- Žanr: Science Fiction, Comedy
- Studio: Mars Film Produzione, Documento Film
- Ključna riječ: factory worker, students' movement, dystopia, leftist radicalism
- Direktor: Roberto Faenza
- Uloge: Lionel Stander, Denis Gilmore, Carole André, Giancarlo Cobelli, Paolo Poli, Franco Valobra