High Quality Content by WIKIPEDIA articles! "Callie and Her Sister" is the second episode of the second season of the American animated television series Ugly Americans, and the sixteenth overall episode of the series. It originally aired on Comedy Central in the United States on July 7, 2011. In the episode, half-demon Callie Maggotbone repeatedly refuses to go through with her arranged marriage to Twayne Boneraper. To convince her father she is serious with her boyfriend Mark Lilly, she asks him to move in with her. Following a therapy session held by Mark, Callie`s divorced parents get back together and produce a second daughter, Lilith, who will replace Callie as Twayne`s bride. Callie and Mark later take on the job to raise Lilith, who develops evil plans for the wedding.