Based on Agatha Christie's And Then There Were None, this episode sees nearly the whole of Quahog including the Griffins, Joe and Tom Tucker all invited to a party in their honour in a mysterious house. After the host is murdered, the guests must band together to try to figure out who the killer is. Yet, as more murders take place and more clues are revealed, the guests must decide who to turn into the police by morning. This episode was confirmed by Macfarlane to be a canon episode, the characters killed off in this episode have been officially terminated from the Family Guy series. Written by
Did You Know?
In the final scene where Diane is walking Lois outside to shoot her, Quagmire is seen standing next to Peter. However before this scene was shown, Quagmire is shown having already left the house, with Stephanie's dead body in his trunk. See more
Can't we all just be happy she's dead?
References Inspector Gadget