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.

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.

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.

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

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.

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.

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.

Kyle's attempts to return to a normal life at the Trager's house is complicated by Tom Foss' training. Meanwhile, Jessi (XX) begins her mission to get close to Kyle.

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.

After finding a photo of himself and Jessi locked in Baylin’s box, Kyle and Declan realize that the best way to crack the mystery of Jessi is to get close to her is at the high school charity event. Once there, Kyle uses the opportunity to talk to the already vulnerable Jessi. Meanwhile, other secrets are revealed during the event as Lori finds out the identity of her attacker.

An out-of-control and missing Jessi increases tensions within the Trager household, forcing Nicole to institute precautionary measures.

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.

Kyle and Amanda's relationship hits a period of uncertainty after she makes a surprise visit home, but is uncharacteristically cagey about the reason why. Meanwhile, Jesse loses her patience with Kyle when he keeps putting off her training sessions.

Hoping to work things out with Jessi, Kyle takes her on a trip to research Sarah. Meanwhile, Lori and Hillary con Amanda into visiting a college bar in search of a DJ, and Andy and Josh seek couples counseling.

Kyle begins having cognitive malfunctions and is drawing pictures in his sleep due to the attention demands from the other students during his midterm exams. Meanwhile, Kyle's condition has Jessi creating her own tutoring service.

Kyle and Josh become involved in a complicated cheating scandal at school. Meanwhile, Jessi is being pushed by Taylor to train for the Latnok presentation.

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.

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

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 fears for Amanda's life after a psychic gives him a stark warning.