allowing the real Jeff to live, after which Stan and Hayley's memories are wiped, leaving them unaware that Jeff is no longer entirely human. This plot point is continued at the end of "Bahama Mama", where Roger mentions Jeff cannot get Hayley pregnant because he has an alien body, so he agrees to rebirth Jeff in "Roger's Baby". By the end of the episode, Jeff is human again and with Hayley on Earth. Another example of the usage of story arcs are the Christmas Specials, starting with the Season 7 episode "For Whom the Sleigh Bell Tolls", Santa Claus became the main antagonist of the arc, vowing to get revenge on The Smiths after nearly being killed by Steve in the aforementioned episode. The storyline expands in the Season 10 episode "Minstrel Krampus", the episode concludes with a small change to the status quo, Stan's Father Jack fuses with Krampus' soul and becomes the new Krampus, up until his death in Season 17. Santa returns in the Season 14 episode "Ninety North, Zero West", where Santa kidnaps Steve to take over the world by unleashing an ancient god in the North Pole. However, he is seemingly killed off by falling off a cliff and breaking his neck. However, the storyline would continue in the following Season 15 episode "Santa, Schmanta", although the storyline isn't directly related to the story arc, it does explain Santa's death and reveals be was revived at the end of the episode. In discussing the cartoon's distinguishing story arc element, co-creator Mike Barker explained: We just try to obey basic rules of continuity. We try to avoid stories where a character is taking a big step like marriage and then not going back to it. I think by doing that, then in the future when we have big changes, the audience knows that they're going to be living with those changes for a while. So it's not just a thrown-away bit. It kind of endows that story beat with more power because it's going to last. It's not just going to be a reset button. Black comedy Much of the wit used in American Dad! has come in the form of black comedy as many of the predicaments and circumstances have made fun of the characters in life-threatening, disastrous, terrifying, and traumatic situations. As an example, the episode "A Ward Show" is contains scenes of suicide