DC's Legends of Tomorrow - Season 3 - Eps 4: Phone Home
The Legends learn that Ray Palmer will die because they broke time, causing them to race back to 1988 to try and save his life. When they arrive, they are surprised to learn that young Ray Palmer has befriended a time-displaced baby Dominator putting him in harm's way with the government and the Dominator's mother. New to the ship and missions, Zari must find her place and learn to trust the team. Meanwhile, Stein begins working on a secret project on the ship which makes Rory and Jax suspicious.
About DC's Legends of Tomorrow

Title: DC's Legends of Tomorrow
First Air Date: 2016-01-21
Last Air Date: 2022-03-02
Status: Canceled
Rating: 7.3/10 (from 2331 votes)
Language: EN
Seasons: 8
Total Episodes: 110
Network: The CW
Genres: Action & Adventure, Sci-Fi & Fantasy, Drama
Production Companies: Warner Bros. Television, Bonanza Productions, Berlanti Productions, DC Entertainment
Synopsis
When heroes alone are not enough ... the world needs legends. Having seen the future, one he will desperately try to prevent from happening, time-traveling rogue Rip Hunter is tasked with assembling a disparate group of both heroes and villains to confront an unstoppable threat — one in which not only is the planet at stake, but all of time itself. Can this ragtag team defeat an immortal threat unlike anything they have ever known?
Cast

Caity Lotz
Sara Lance / White Canary

Tala Ashe
Zari Tarazi

Jes Macallan
Ava Sharpe

Olivia Swann
Astra Logue

Adam Tsekhman
Gary Green

Nick Zano
Nathaniel 'Nate' Heywood / Steel

Shayan Sobhian
Behrad Tarazi

Lisseth Chavez
Esperanza 'Spooner' Cruz

Amy Pemberton
Gideon / Evil Gideon

Matt Ryan
Dr. Gwyn Davies