24 Hours of Explicit Sex (original title: 24 Horas de Sexo Explícito) is a 1985 sexploitation B-film by Brazilian director José Mojica Marins.

24 Horas de Sexo Explícito was Marins' biggest box-office success and two years later, he directed a sequel named 48 Hours of Hallucinatory Sex.

One man decides to quit the competition and return home to his wife (veteran Brazilian porn actress Vânia Bournier), whom he finds having sexual intercourse with "Jack", their German Shepherd dog, in Brazil's first scene of cinematic zoophilia.

)[5] Her husband takes revenge by leaving her to romance a talking male horse, whom the man persuades to penetrate her in the rear-end.

The duo flees the beach house pursued by the eager judge as the end screen appears.