A software glitch causes Cameron to forget who she is. She goes missing from the Connors and is taken in by a street kid named Jody. Cameron and Jody end up at a halfway house where Cameron meets with a social worker who uncovers some of Cameron’s distant memories. Meanwhile, Catherine Weaver meets with Agent Ellison to discuss his future at Zeira Corp, and Ellison does some digging into Weaver’s past.

The episode was rated 7.74 from 317 votes.

Sarah's preoccupation with the three dots takes her to a place she believes Andy Goode's Turk is being held. Meanwhile, Jesse's plans have some complications and Weaver makes an important introduction.

The episode was rated 7.79 from 289 votes.

Derek and Sarah must outwit Cromartie after he kidnaps Charley's wife, and they must weigh the consequences in rescuing her. Meanwhile, John finds himself unable to choose between Cameron and Riley.

The episode was rated 7.81 from 318 votes.

Jesse has a flashback to a mission aboard her submarine, the Jimmy Carter. John and Sarah make plans to leave their house.

The episode was rated 7.81 from 257 votes.

Cameron and Sarah take the initiative to investigate a nuclear powerplant. Meanwhile, John loses interest in academics, but becomes more popular at school with a new friend's help.

The episode was rated 7.81 from 332 votes.

Fearing for her life, Sarah stashes John in a safe house. Cameron and Derek struggle to work together after she reveals a big secret. John Henry becomes compromised.

The episode was rated 7.85 from 260 votes.

The Connors find themselves on high alert and in odd company after their house is robbed. A Terminator terrorizes Ellison, while another gets dangerously close to John Connor. Derek and Jesse continue to get reacquainted.

The episode was rated 7.86 from 306 votes.

After the Jeep explosion, John's 16th birthday makes him confront the fact that he's destined to be alone. Meanwhile, after Cromartie's massacre, Agent Ellison must face off against both the Feds and his faith.

The episode was rated 7.90 from 353 votes.

Why would a T-1001 ever need to visit a doctor? Sarah, John and Cameron hope to find out as they track another name from their list. Meanwhile, a woman who Derek once knew in the past surprises him by appearing in the present.

The episode was rated 7.90 from 306 votes.

Cameron learns that a terminator was accidentally sent back to 1920s Los Angeles, and she tries to find out what happened to him. Meanwhile, John has a run-in with a group of punks while taking Riley home from a party.

The episode was rated 7.92 from 283 votes.

John and Derek infiltrate a military academy in order to protect an integral member of the future resistance. Meanwhile, Weaver’s first assignment for Ellison takes an interesting turn of events when he discovers a specter from his own past.

The episode was rated 7.94 from 308 votes.

Cromartie kidnaps Sarah and races to Mexico to find John. When Derek, Cameron and Ellison discover what has happened, they come to their defense, which leads to one final deadly confrontation with Cromartie.

The episode was rated 7.96 from 307 votes.

When John attempts to rescue Skynet’s latest target he finds himself closing in on Weaver, but at what cost? Game plans change, causing Sarah and Ellison to reunite. Meanwhile, Weaver learns Ellison’s secrets.

The episode was rated 7.98 from 262 votes.

Jesse's submarine mission in the future takes a fatal turn that has unforeseen effects on John, Sarah and Derek in the present. Before heading out, Sarah deals with Cameron and John makes a tough choice.

The episode was rated 8.05 from 253 votes.

Fate is changed forever on the explosive season finale episode! The Connors come face-to-face with Weaver in a confrontation that shakes John to the core and changes his reality. Nothing will be the same.

The episode was rated 8.21 from 297 votes.