There is a “Mad Pooper” running wild at the Belcher children's middle school and Tina finds herself on a mission to get to the “bottom” of the situation.

When Francine invites Stan's father to a party, a dark secret about the Smith family's past is revealed.

Chummy makes an important decision, Jenny reconnects with Jimmy, and Cynthia's conduct is called into question after the death of a baby she delivered.

The Revisited team looks back at the adventures in time and space of the original Doctor Who, played by William Hartnell, with a first look at the TARDIS and the first appearance of the Daleks. Contributors include current show runner and lead writer, Stephen Moffat, tenth Doctor David Tennant, companion John Barrowman and executive producer Caroline Skinner.

During a visit to Harvard, Quagmire accidentally marries a prostitute; in an attempt to get out of his marriage, Quagmire pretends that Peter is his lover.

On a freelance writing assignment to get out of her comfort zone, Hannah befriends the junkie downstairs and parties hard with Elijah, who reveals an explosive secret. Meanwhile, Marnie has a long awaited run-in with artist Booth Jonathan.

Marty and Clyde attempt to woo the business of new Las Vegas casino king, Michael Carlson, a maverick self-made millionaire who notoriously hates consultants. Meanwhile, Jeannie tries to assess how big a threat Tamara is by suggesting the two of them enjoy a spa day together. Monica makes an unlikely connection with her personal vegan chef, Tessa.

Bo and Dyson take on a case in the world of new age psychology, and Bo suffers the consequences of denying her ravenous hunger.

Frank tells Carl he has cancer to scam a charity foundation; Lip hunts down pedophiles in the neighborhood.

Alicia is presented with a career-changing offer that includes a substantial financial risk. Diane and Will confront their creditors. Eli and Jordan don't agree on a possible attack on Maddie's campaign.

The team investigates a 25-year-old case that seems to involve both Red John and the Visualize group, and Lisbon contemplates her future.

A tornado inspires Homer and Marge look for guardians for the kids in case something bad happens; Marge questions the motives of potential guardians.

Jeremy builds the world's smallest car and pitches it to the Dragons' Den. James takes the Bentley Continental GT Speed on a rally race. Richard drives the new Pagani Huayra hypercar. Homeland star Damian Lewis goes for a spin in the Reasonably Priced Car,