The all-American dysfunctional family, beloved stars of the longest-running animated television series ever, returned for a sixth season on FOX. This season sees the adults of Springfield disappearing when Homer markets his libidinous wonder drug, while, Bart suspects aliens and conspiracy. Marge uncovers a repressed memory of her father when she encounters a flight attendant, and the family learns the reason behind the household's dearth of pictures of Maggie. Bart manages to offend the entire country of Australia, while both Homer and Marge decide it's time for a career change. Marge becomes a cop and sets about cleaning up Springfield, while Homer discovers the advantages and disadvantages of being a "professional" clown.