Synopsis:
Bill becomes involved with a single mother, Charlene who has returned to Arlen after being away for some years. When Charlene introduces her two children to Hank, Dale and Boomhauer, Dale immediately dislikes her oldest, Kate. He confides in Hank that he thinks something is wrong with Kate and that he intends to get to the bottom of it. Hank tells him to leave it alone but Dale steals a sample of Kate's hair and orders a DNA analysis. When the test discovers similarities between Kate's DNA and Joseph's, his son, and realizes that they are half-siblings. He hypothesizes the same aliens that impregnated Nancy also impregnated Charlene with his genetic material to start a Dale-based master race. Not wanting Bill to raise his daughter, Dale tries to sabotage his relationship by asking John Redcorn to seduce Charlene. John soon realizes that Charlene is a woman he slept with years ago, although he knew her only by her stage name.
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