Superman and Lois' return to idyllic Smallville is set to be upended by mysterious strangers.

While adjusting to their new lives in Smallville, Lois and Clark make an important decision concerning one of their sons. Meanwhile, tensions begin to rise between Lois and Morgan Edge. Lastly, Lana Lang Cushing invites the Kent family over for a barbecue.

Clark shares some of his Kryptonian history with Jordan and Jonathan during a family breakfast. Meanwhile, Lois and Chrissy dig deeper to uncover the truth about Morgan Edge.

While sitting in the stands at the high school football game, Lois and Chrissy spot fish out of water Morgan Edge conversing with Mayor Dean and Kyle Kushing, and the two see right through this insincere move to try to win over the town. Meanwhile, Clark agrees to help Lois out at a town hall meeting, but things get tense when he finds himself pulled in two different directions. Lastly, Jonathan is having mixed emotions about Jordan's newfound status.

As Smallville celebrates its first Harvest Festival since Martha’s passing, Clark is reminded what his mother meant to him and learns a lesson that will help him move past her death. Meanwhile, Lois makes a breakthrough in the investigation of Morgan Edge. Lastly, Kyle tries to reconnect with Lana, but it seems like he might be falling back into his old ways.

Clark reconsiders his decision to let Jordan play football. Meanwhile, Lois' continued investigation of Morgan Edge requires her to trust an unexpected ally.

Clark struggles to help Jordan who is grappling with a new power. Meanwhile, Lois enlists Clark's help which leads to a surprise encounter.

Lois and John Henry Irons can't seem to agree on the best way to stop Morgan Edge. Meanwhile, Jonathan encourages Jordan to focus on strengthening his powers to help locate their dad. Lastly, an old friend is brought in to help with the search.

Superman pays a visit to Morgan Edge. Meanwhile, Lois and Chrissy work together on a story. Lastly, Jonathan finds a welcome distraction during a very stressful school day.

Lois is worried about Jordan as he and Sarah continue to grow closer. Meanwhile, Clark pays Lana a visit. Lastly, Jonathan has been spending more and more time with John Henry.

Lois reaches out to Ret. General Lane as Clark's visions become worse during heated arguments with both Jonathan and Jordan. Meanwhile, Lana shares her frustrations with Kyle. Lastly, Natalie learns that her father didn't follow through on a promise he made to her.

Lois and Chrissy are on a mission to find Lois' sister Lucy and Jonathan and Jordan become more and more unsettled as Clark's painful visions continue. Meanwhile, Lana, Kyle and Sarah share a family breakfast and discuss Sarah's upcoming quinceañera. Lastly, Natalie and her father share a bonding moment.

Lana, Kyle and Sarah prepare for Sarah's quinceañera, but things don't end up going as smoothly as they had hoped. Clark finds himself struggling with feelings of guilt about what happened to John Irons and Lois worries that she might have been wrong about Ally. Meanwhile, Jonathan learns that Ret. General Samuel Lane is planning to train Jordan. Lastly, Chrissy goes searching for the truth about Lois.

Lois tells Clark that she and Chrissy plan to do a deeper dive into the Inverse Society and Lana and Sarah try to comfort each other after the fallout at Sarah's quinceañera. Meanwhile, Jordan notices something suspicious in Jonathan's book bag. Lastly, Lt. Mitch Anderson finds himself under fire for the deterioration of the department of defense's relationship with Superman.

Lois thanks Lana for sticking up for Jonathan when one of the football players mother's starts dogging him for getting football season cancelled. Meanwhile, Jordan's unexpected departure on the mayoral election day leaves Sarah rattled. Lastly, Natalie and Sarah wonder if they notice a spark between John Henry and Lana.

We pick up right where we left off with Clark levitating in front of Lana. Meanwhile, Jordan and Jonathan question whether Lois and Clark are telling them the complete story. Lastly, Natalie tries her best to get Sarah to acknowledge Jordan.

Clark and Lois disagree on the best way to figure out if Ally Allston went to the Inverse World. Meanwhile, John Henry makes a surprising discovery and Lois sets out to track Lucy down.

A weary Lois holds vigil at Superman's bedside. Meanwhile, Jonathan and Jordan continue to worry about their father who seems more human now than ever. Lastly, John Henry and Natalie work together to figure out the best way to defend against Ally Allston's powers.

Chrissy Beppo, with the authorization of the Department of Defense, has a message for the people of Smallville, not only is the merging of planets real, it is happening.

Lois' undercover assignment reveals a deadly foe that promises to change the Kent family forever. Meanwhile, the Kent boys find themselves being pulled in opposite directions.

Clark finds himself in uncharted territory, and Lois bonds with a new friend. Meanwhile, Superman pays Bruno Mannheim a surprise visit.

Lois and Clark dig deeper on Bruno Mannheim, starting with his connections to Hob's Bay Medical Center, while Jonathan and Jordan panic at home over Lois' dire diagnosis.

Lois attempts to interview Peia in the hopes of unearthing the truth about an old case, while Clark struggles to spend quality time with the boys.

All of Smallville comes together to view a meteor shower, and Lex Luthor makes his move to take down Superman and Lois.

Lois helps throw Kyle and Chrissy an impromptu wedding that doesn't quite go as planned.

The Kents fight with everything they have as Luthor makes his final move on Smallville.