H2S
- Ano: 1969
- País: Italy
- Xénero: Science Fiction, Comedy
- Estudo: Mars Film Produzione, Documento Film
- Palabra clave: factory worker, students' movement, dystopia, leftist radicalism
- Director: Roberto Faenza
- Reparto: Lionel Stander, Denis Gilmore, Carole André, Giancarlo Cobelli, Paolo Poli, Franco Valobra