Truffles tries to impress the members of The Big Hat Biddies, and the others try to help by making a big feast for the club.
Meatwad and Shake are set out to capture the Tooth Fairy.
Bart and Lisa start struggling in their academic and social lives at school and Homer starts monitoring them and forcing them to do better. Meanwhile, Marge discovers a sauna in the basement.
Alex uses a spell to switch brains with Harper, but she keeps on getting the spell wrong, including accidentally leaving Harper with no brain.
Mia bursts into the Monday morning session, excitedly remembering all the lurid details of her weekend's wild debauchery. But Paul wants to concern themselves over her quite Sunday brunch with her father.
April's health continues to be a concern for Paul, as she seems more concerned about her autistic brother's condition than her own.
Det. Zach Nichols' first case involves the murder of an artist, but it's unclear whether the neighborhood he lived in was a factor in his death, or something more personal.
The series focuses on an eccentric motley crew that is the Smith family and their three housemates: Father, husband, and breadwinner Stan Smith; his better half housewife, Francine Smith; their college-aged daughter, Hayley Smith; and their high-school-aged son, Steve Smith. Outside of the Smith family, there are three additional main characters, including Hayley's boyfriend turned husband, Jeff Fischer; the family's man-in-a-goldfish-body pet, Klaus; and most notably the family's zany alien, Roger, who is "full of masquerades, brazenness, and shocking antics."
Steve joins a football team to please Stan, who then takes over as coach and gives Steve the boot because he isn't good enough. Meanwhile, Francine and Hayley vie for a blue ribbon at the county fair.
Adopted as a baby, former milkman and undercover secret agent Hobbo is determined to trace his natural mother.
When the demanding daughter of a studio executive wants a set visit, Sonny is the unlucky cast member chosen to play tour guide.
When the murder weapon from a 1963 case is unearthed, the team re-opens the murder of a pool hustler who was shot the same day President Kennedy was assassinated.
Out of patience waiting for Tommy to return home, Julia makes a life-changing decision about the future; Robert discovers what Kitty has been keeping from him; Holly & Sarah finally find balance in their relationship.
Hank discovers that his father's last requests are a collection of bizarre tasks including the wish to have his ashes flushed down a toilet that General George S. Patton once used. Meanwhile, Bill and Dale bicker over an empty beer can.
After Rico ingests a strange liquid, he discovers he can no longer regurgitate items from his belly.
The penguins and lemurs face off in a winner-take-all race around the zoo.