The five remaining bachelors sail to Madeira Island, Portugal, with Desiree, who enjoys one-on-one dates that include a picnic, dinner on a deserted island and a toboggan ride. Also: A two-on-one date involves go-kart racing. The Final Four contenders are revealed after the rose ceremony.

What if Regina had told the hospital about the switch when she discovered it years ago? And what if both girls had been raised in the privileged Kennish household from age three? In "Ecce Mono", this alternate reality is revealed: Daphne has a cochlear implant, and doesn't know American Sign Language. Having been spoiled by her parents to make up for the switch, she's manipulative and not the best student. Bay, on the other hand, is a straight-A student, often trying to compensate for being the Kennishes' non-biological daughter. In addition, Kathryn is a successful author of bodice-ripping novels and, while still married to State Senator John Kennish, their marriage is far from perfect.

A qualifying round in Baltimore features obstacles such as the Downhill Jump, Prism Tilt, Swing Jump and Circle Cross.

Ahsha's star rises. Elsewhere, Kyle's behavior irks Olivia; Raquel is thrown for a loop, courtesy of Jesse; disturbing news surfaces about Terrence; and Derek is confronted by German.

The crew struggles to finish the frankensteined 64 Dodge truck. Richard flips a 52 Chevy. He digs out an Oldsmobile Delta 88 he forgot he bought but it's also not quite what he remembered. Broke brakes leave a dent in the garage door and Richard's wallet.

Mike tries to keep a poker face while bidding on a 1944 Knucklehead Harley; a random freestyle stop leads to a mega pick honey hole; Danielle gets fired up over a gun appraisal.

Chuck (#7) and Flip's (#6) smack talk at a poker tournament leads to another call out. Monza (#4) calls out groom-to-be Daddy Dave (#3) for his spot but days before his wedding, Daddy Dave's test-hits signal the boys in blue.

What appears to be a ritualistic murder leads Jim to investigate the secret world of Florida's gypsies just as he gets an unexpected visitor at home: his father, Michael.

The squad investigates a brutal murder, but they soon find that dark secrets are at the root of an apparent drug bust gone wrong. Meanwhile, Raydor's estranged husband of 25 years, Jack Raydor (guest star Tom Berenger) returns to Los Angeles to work as a court-appointed attorney. Charming and charismatic, Jack becomes fast friends with Rusty but Sharon continues to remain wary.

The citizens of Defiance cast their votes for mayor, unaware that Earth Republic has its own plans for the town. Stahma offers a way out for Kenya, while Irisa goes to meet her destiny.

The Fosters invite Ernesto and Sofia Rivera to dinner, and Stef worries that they will subjugate Jesus to views that disapprove of his non-traditional family. To make matters worse, Stef's conservative father, Frank, shows up and the family dinner threatens to turn into an all-out moral debate. Meanwhile, Callie attends a group therapy session for foster children and meets someone with a connection to her past - a past that will come back to haunt her. Wyatt holds a destructive party at his childhood home, which is under foreclosure, and Callie realizes he's much more hurt than he lets on. Mike shows up late to take Brandon to an important audition with a renowned piano teacher.

In the season premiere, Bobby is rushed to the hospital after a horrific car accident while Ron and Amy wait desperately for news of their friend's condition.

Savi desperately tries to make things right with Harry, but he continues to avoid her and discussion of their future; Karen is frightened when, on the heels of the insurance investigation, someone breaks into her office and may have accessed her patient files; April and Richard's romance heats up; and Olivier continues to make Joss's life miserable at the office.

A shocking announcement causes the dwindling number of contestants to lose one more. Emotions are heightened which increases hostility among the contestants. When Esther tricks Victoria into eating uncooked mushrooms, Victoria's suffers a hallucination in which she foresees everyone's deaths. Accusations of theft, discovery of a bloody scene in the woods and the heated arguments centered on food rationing raise more questions in the minds of some contestants about continuing on.

The team must capture Paracelsus before he achieves immortality, or worse. At the same time, Myka seems to be losing her battle against cancer; and Steve learns that Artie has been keeping life-changing information under wraps.

Stranded at a motel for the night because of the postponed cross country meet, Scott and the others suffer strange experiences that cause them to believe members of their own group may the mysterious killer's newest targets.

Walt and the team work to prevent a murder when Henry overhears an unhappy husband trying to order a hit on his wife; a former cop from Philadelphia arrives in Durant.

After a former deputy goes rogue, Big Jim asks Barbie to help keep the town safe; Junior determines to escape the dome by going underground.

When the son of one of Sean's old associates commits suicide, suspicions regarding his death arise. King and Maxwell's investigation opens up an unexpected case involving a killer targeting the family members of former Secret Service agents.

Armie Hammer, Angie Harmon, Brent Morin

Michael Cera, Martha Stewart, Ra Ra Riot

Charlie Day, Jeffrey Dean Morgan, Lionel Richie

Heather Locklear, Louie Anderson

The remaining hopefuls are divided into two teams, and they have to prepare a banquet for 70 diners using ingredients that represent the different Seven Deadly Sins.

As Oliver and Harry prepare presentations to compete for the next rotation on Darwin, Oliver reaches rock bottom as he stoops to stealing Tara's work and passing it off as his own. He finally faces up to his grief and his guilt over Tara and comes clean, exonerating Gemma in the process; he then bids Elliot and Holby a fond farewell before heading off to face his future.

Luther's date with Mary, and the promise of romance, is interrupted by the news of another murder. The killer has struck again - the number of victims is escalating fast.

None of the Titans are able to stay awake for a late night movie marathon except for Cyborg, who complains that their physical limitations ruin his fun. When he boasts about his superiority, Beast Boy accidentally spits soda on him, causing him to malfunction. The Titans attempt to clean and rebuild him but fail miserably. They plug his head into the Titans Tower control panel, which grants him control over the entire tower. Taking the form of a monitor, Cyborg intrudes upon the other Titans' privacy, and they conspire to remove his head from the control panel. Cyborg retaliates by attacking them with household appliances until he supposedly regains his senses, then knocks them out. The Titans awaken to find themselves merged with the appliances, and they take their new abilities in stride. A running gag has Cyborg educating the other Titans on the VCR, Webster, and The Pointer Sisters. Cats Don't Dance and The Iron Giant are referenced, both of which are also produced by Warner Bros. Animation, and Bad Girls by Donna Summer is played by Cyborg during Raven's meditation.