Release Message:  The crew is infected with a mysterious disease that removes people's emotional inhibitions to a dangerous degree. Featuring George Takei as Lt. Sulu.

Description:  The crew is infected with a mysterious disease that removes people's emotional inhibitions to a dangerous degree. Wikipedia: A strange virus infects the crew of the Enterprise, severely affecting their minds, leading to a crew member deactivating the warp engines. They are emergency restarted and the ship goes back in time by three days.