Gintama' - episode 39 - 25 Dec, 2011

Overall episode number: 240 After getting drunk at the year-end party, Gintoki managed to become a six-timer in one night. In order to prevent the show from being pulled off the air, Gintoki is forced into engaging in a relationship with all of them. And now he has to go on dates with all of them at the same time...! (Source: Crunchyroll)