The final three bachelors visit the Caribbean island of Antigua with Desiree, who takes a romantic road trip along the coastline with one suitor and goes on a private helicopter ride with another.
As Allison begins to suspect someone dangerously close to her may be involved in the murders, Scott and Stiles conclude that Lydia’s rising talents may be their best bet to solving the murders.
Marceline tracks the Sky Witch, but finds out that she may need Princess Bubblegum's help.
The murder of the first female professional Jai Alai player leads Jim to investigate the multi-million dollar gambling industry in Florida built around the 600-year old sport, and Jim's mother Joan arrives to join the dysfunctional reunion.
Following an explosion on the reservation and the discovery of a charred dead body, Walt is bombarded with public confrontation as the Cheyennes blame the blast on gas leaked from fracking by Newett Energy. Meanwhile, Branch reconnects with Cady and uncovers information that could help him in the election.
When the town begins to run low on water, the residents of Chester's Mill begin to fight for the remaining resources. Meanwhile, Julia discovers a strange connection that two of the town's residents have with the Dome.
The media goes into a frenzy over race relations when the body of a young Latino man is found at the home of a white award-winning swimming coach. Flynn struggles with an emotional dilemma on the eve of his daughter's wedding. Kris' mother pays Raydor a visit to discuss some concerns.
Working as a drug dealer and gangster run-around, Cook finds himself in hot water after his boss asks a favour of him.
Freestyling near Atlantic City, Frank confronts his bad car karma and takes a gamble on a set of vintage wheels. At Harry's sprawling New Jersey junkyard, the guys uncover a flying saucer and a larger-than-life Popeye. Back in Iowa, the team awaits the appraiser's verdict on Frank's road-worthy 1963 Cadillac.
King and Maxwell are hired to locate a stolen cell phone and are immediately put to the test when the search turns into an unexpected partnership with the CIA. Meanwhile, Sean receives some interesting information regarding the Ritter assassination.
Bay organizes Deaf Day at the amusement park, and Emmett assists her with a special movie screening. Meanwhile, Daphne's hit with a surprise when she runs into Chef Jeff; and Toby tries to help Nikki deal with a dark part of her family history.
Skits include Most Interesting Kid in the World; Worst DIYer Ever; and Autocorrect Fail.
With the auction house low on inventory, Big Sammie heads to a local barn auction in search of big ticket items.
In Calgary, one team steers the others in a different direction; they line up, get knocked down, and face a dirty detour.
Ben is flattered when Saskia offers to be his mentor and it becomes clear there's potential for them to dance together brilliantly; and Abigail and Christian disturb everyone with their unlikely friendship.
A mysterious light appears in the Siberian night sky and seems to alter the intimate relationships that the contestants are beginning to form. At the same time, Sam offers Daniel advice on his love life; Natalie sends mixed emotions to Anne-Marie; Carolina reveals some big news to Johnny; and Neeko tries to take control of his fellow players.