When the forecast calls for rain on the day of the Bog to Beach parade, Teddy convinces Bob to enter the float contest with the promise of an easy win. As the parade goes awry, Bob realizes he might need an attitude adjustment.

Friends and enemies converge in Victorian London to await the arrival of The Witness. Cole and Railly lead their pursuers on a manhunt through time.

Cole and Railly finally learn the heart-breaking life story of the man who calls himself The Witness, the reason why he wants to destroy time and all reality is revealed.

Every imaginable threat descends upon Railly and Cole. With Titan looming - and ally fighting ally - The Witness finds himself on the threshold of destiny.

Bourdain discovers a hub of international cuisines and cultures in the New York City Borough of Queens. Traveling via the No. 7 train, the host dines on morcilla (blood sausage) with Sean Basinski of the Street Vendor Project in Corona, samples Chinese food in Flushing with Swet Shop Boys member Himanshu Suri, imbibes at historic Neirs Tavern (seen in GoodFellas) in Woodhaven, eats a Tibetan dinner at Llasa Fast Food in Jackson Heights, and takes a detour to Aqueduct racetrack in South Ozone Park with his Appetites cookbook co-author Laurie Woolever.

Holmes and Watson pursue an elusive criminal as a gang war erupts in New York City. While the NYPD works to contain the violence, the two investigate the murder that appears to have ignited the city-wide conflict, and discover that a familiar face is pulling the strings.

When Chris' Mexican girlfriend, Isabella, gets deported, he volunteers to take care of her twin babies. After learning that Isabella can't come back to the U.S., the Griffins go to Mexico to return her children.

Peter's past as a sperm donor catches up to him when many of his children show up unannounced to his house.

In the season finale, Elizabeth heads to Brussels to seek NATO'S support against Russia when it threatens to invade Bulgaria, but when France refuses to cooperate, it threatens the alliance's existence. Also, when Henry's new government role has him dive into the Russia issue, he turns to his former operative, Dmitri Petrov, for help, and as Nadine and Mike B's relationship heats up, Elizabeth finds out information about her old friend that makes her question his loyalty.

Richard tries to convince Gavin of his strategy for the new internet, but finds himself blocked by meddling from an annoying associate of Gavin's. Erlich connives his way into Laurie's baby shower and tips her off to a hidden agenda. Dinesh struggles to free himself of Mia.

Laurie Garvey, a former therapist, must become one again as she heads to Australia to help Nora and Kevin along their paths.

When Homer's court case determines that a dog's life is more valuable than a human's is, the status of man's best friend rises in Springfield. When the dogs recognize their new position of power, they assert their dominance over the humans.