The competition takes a monstrous turn as the All-Star teams create two makeups themed after Jekyll and Hyde in the elimination challenge for guest judge John Landis.
During a spring store, Steve cleans up a fuel spill blocking the 400, while Sonny struggles to keep the alternate route moving; John Allen recovers a loaded semi that went for a wild airborne ride.
When Jess gets nervous about starting her new position as principal, Nick and Schmidt decide to take her on a relaxing day trip to Solvang, which quickly goes "sideways." Meanwhile, with Cece's help, Winston tries to finalize his divorce from Rhonda, but finds that he and Aly are caught in a series of never-ending pranks.
Frankie gets Mike to go see the dentist about his toothache, and the two collude to convince her that there's nothing wrong with his teeth; Axl, Hutch and Kenny decide to sell the Winnebago; Brick works on writing a historical musical.
Bishop is more determined than ever to seek revenge for the murder of Qasim, her late boyfriend, after Gibbs and the team find a new lead in the Chen case.
Ms. Feldman can't make ends meet on her salary and takes a second job. Ms. Watson notices a romantic spark between two of her second grade students. the teachers take advantage of Principal Pearson.
At Biggin Hill, south-east London, military equipment collector Bruce Crompton views a collector's haul of Second World War Spitfires. Plus, the twins prepare some wartime artillery guns to export to Australia - but it's no easy feat.
A man has returned to his hometown to attend the wedding of a friend from elementary school. To please his family, he arrives a day early to stay at his parents' home the night before. As he's marveling at how his childhood bedroom hasn't changed at all, he discovers a cassette tape in a desk drawer labeled "What Happened Today" and decides to listen to it.
With Aaron off on vacation, Richard tasks the Monkeys with giving the Gas Monkey treatment to the first car he ever owned back in high school, a vomit green '74 Mercury Comet.
Gumball teaches Darwin everything he knows about the world of skateboarding.
Beast Boy writes a song for Raven to express his feelings, then begins touring with the song, which upsets Raven.
The recruits learn how to burn everything down if they are ever exposed. Meanwhile, a mysterious death leads to an FBI investigation at the Farm. In the future, Alex heads back into the crisis zone and exposes the true traitor within the CIA.
Beast Boy writes a song for Raven to express his feelings, then begins touring with the song, which upsets Raven.
Kevin concocts an elaborate plan to get out of having to spend time with Donna's cousin Irene and her chatty husband.
Adam can't stop being overprotective when Kate is asked out on her first date; Lowell helps Don buy an anniversary gift for Marcy.
You're invited to the final instant restaurant of Group 2, hosted by ambitious Brisbane newlyweds, Alyse & Matt. They're going all out to impress, but a night of high class ends in high drama.
A group of robbers kill a security guard who was a former police officer and who, before his death, used the APB app. Meanwhile, Gideon redesigns a feedback chair - previously utilized in the aerospace industry - for use in the investigation room, and Murphy learns that her ex-husband, Assistant State Attorney Scott Murphy, may be watching them.