As Kyle and Amanda prepare for their first date, a cryptic warning about Tom Foss makes Kyle wonder whom he can trust. Meanwhile, Jessi chafes at Emily's restrictions.

A teenager is found disoriented in the middle of traffic and taken to a detention facility. Later, Nicole Trager, a psychologist, comes to examine him, and takes him home. He gets on the bad side of both Trager kids, Josh and Lori, and annoys Stephen, Nicole's husband. But one by one, Kyle influences them to accept him.

The Petersons, Kyle's real parents, arrive to take him home, but Kyle is skeptical about his biological ties, so he turns to Tom Foss for answers. Meanwhile, Steven has trouble accepting that Kyle may be leaving.

After an unusual hypnosis session, Kyle is determined to unlock his memory, so he accompanies Lori and Declan to the University of Washington to search for clues about the missing Professor Kern and how his relationship ties in with Kyle.

Kyle, Lori and Josh experience difficulties on the first day of school while Nicole and Stephen receive a visit from Tom Foss.

Kyle, Declan and Foss plot to retrieve Kyle's Latnok ring. Meanwhile, Lori begins to question Stephen's time at Madacorp.

The teens scramble to make their prom night as perfect as possible, and Jessi makes a surprise announcement regarding her relationship with Sarah.

What Jessi and Kyle find in Cassidy's safe sends them searching for the truth about Sarah Emerson, but Jessi's unrelenting method may endanger her life. At home, Declan finally puts his foot down, and Josh already misses Andy.

Kyle risks losing Cassidy's trust when he begins a deception aimed at discovering Latnok's true purpose, and Jessi, devastated by their discovery, has a hard time putting aside her emotions. Elsewhere, Josh plans a perfect farewell for Andy.

Kyle attempts to figure his emotions and sudden attraction to next door neighbor Amanda, while Lori and Josh are also experiencing love pains of their own.

Kyle becomes frustrated when he experiences his first brief flashes of memory, and he ultimately finds comfort from Amanda. It's the day of Lori's birthday, but she's not excited about it while Kyle on the other hand, wishes he even knew the date of his birthday.

Kyle discovers that he has the ability to read lips and listen to distant conversations, so he recruits Declan and uses the newfound abilities to investigate Tom Foss. Meanwhile, Josh stresses over his grades. Amanda's boyfriend has a terrible secret.

Kyle encounters the concept of time and wonders why those around him focus on it. In an attempt to tire out Kyle, his family subjects him to running, sleeping pills and other activities. Josh suspects that Kyle may be an alien.

Kyle links his memory to a missing professor, but finds a welcome distraction when he joins the basketball team. Meanwhile, Nicole gains a better understanding of Kyle's unique situation.

Nicole has things to attend to, so other members of the family have to babysit Kyle, who's having trouble processing the little white lies that his family tell. Meanwhile, Steven learns that he'll have to lay off employees & Amanda freaks out over a fender bender.

Lori, Kyle, Jessi, Declan and Amanda stumble upon the ruins of Zzyzx while on a camping trip in the woods. Andy shares a life-changing secret with Josh.

Sarah asks Kyle to intervene with Jessi, but his method may prove disastrous; Brian Taylor hits a wall in his quest for Latnok's approval, and the prom has a serious cash-flow problem.

Kyle hits the bar with Josh and Declan to drown his sorrows after breaking up with Amanda. Lori and Jessi bond over boys as Lori uses Jessi's apartment as a bolthole.

A car accident seriously injures Nicole, and Kyle and Josh help a woman named Gretchen give birth.

After Cassidy helps to save Nicole’s life, Kyle is a man of his word and begins to pay his debt back to Latnok. But what Kyle finds is a complete surprise -- Latnok is not some dark scary place…but rather a hip college hang-out for young and bright minds, including Mark. Still not willing to give them the benefit of the doubt, Kyle decides after his first day there never to return, but rethinks his decision when he finds out about his family’s financial dilemma. Will Kyle sell his soul to the devil to help out the Tragers, or can he find another way to get a hold of some quick cash? Meanwhile, Jessi comes clean about everything to Kyle, which brings about mixed results.

It's Career Week at school. As Kyle and Josh contemplate their respective futures, Jessi's quest for acceptance clashes with Kyle's need for anonymity. Meanwhile, Brian Taylor seeks parenting advice from Nicole.

Restrained and weakened, Kyle awakens inside a Latnok building. Despite his predicament, Kyle must escape and rescue Amanda—who is being held in the same building.

Kyle deals with Jessi's announcement and jealousy over Nate, and Josh reels from Andy's news. Meanwhile, Kyle – still suspicous of Cassidy – makes a plan to expose him.

After discovering Latnok's true purpose, Kyle enlists everyone to stop it at all costs, but keeping all his cover lies intact and protecting Jessi may endanger the operation.

Jessie begins to settle into the Trager's house. Meanwhile Kyle tries to figure out what Latnok did to Amanda with the help of Jessie, which ultimately leads to some unwanted conflict with Kyle and Amanda's relationship.