Set in the year 2166, the immortal villain Vandal Savage is on the verge of destroying humanity; Rip Hunter travels back in time to assemble a team of heroes and rogues to stop Vandal Savage.
When a piece of Atom's suit falls into the wrong hands during a massive fight, professor Stein decides to turn to someone brilliant for help -- his younger self; Carter helps Kendra recover an important memory.
Rip hopes to weaken Vandal Savage by going after his financial assets; Snart and Rory want to steal a valuable emerald; Ray tackles a dangerous mission, with guidance from professor Stein.
When Vandal Savage's retreat is accompanied by the disappearance of a series of nuclear scientists, the team follows his trail into the heart of the Soviet Union in an effort to find his next target; Ray attempts to bond with a beautiful scientist.
Snart leads a rescue mission when some of the team members are captured during the height of the Cold War; Rip assigns a secret side mission to Sara, which could be a dangerous liability.
A malfunction sends the Waverider into Star City in 2046, where the heroes are faced with a surprising version of the future; Sara receives devastating news.
When the group receives a distress call from another timeship, Rip decides to answer it, despite warnings from the rest of the team that it seems like a trap.
The team follows Savage to an Oregon town in the 1950s, where they suspect he's involved in a string of murders; professor Stein and Sara track Savage to a hospital and go under cover to spy on him; Ray and Kendra struggle to gain trust.
Ray, Sara and Kendra are stranded in the 1950s after the Waverider leaves without them; Sara goes back to the League of Assassins.
The team is split on whether to kill a 14-year-old boy who is destined to grow into an evil dictator; Sara helps Snart through a difficult time; Ray learns something consequential to his future with Kendra.
After the team members set a course in the Old West as a place to hide out, they start a fight with a band of outlaws, which puts the small town in jeopardy.
A deadly assassin called the Pilgrim wants to wipe the Legends from the timeline by killing the heroes' younger selves before they become powerful.
Rip takes the team to London in the year 2166, three months before his family is killed, as a final opportunity to take out Savage.
The team successfully captures Vandal Savage; Savage tells Kendra he can reunite her with Carter, causing her to struggle with whether or not she should kill him; Rip decides to deliver Savage to the Time Masters.
Rip and Rory become very disturbed from being in the vicinity of the Time Masters; Sara seizes the wave rider; Kendra and Carter reunite.