Behrad is disappointed because the Legends have forgotten his birthday, so when they track an alien pod to 2024 and wind up at his favorite television sitcom, he thinks it's really a surprise for him. Feeling guilty, Nate and Zari occupy Behrad by keeping up the ruse by attending a taping of the show while Ava, Spooner and Astra try to find the Alien to get the timeline back on track, which proves challenging. Meanwhile, Rory's behavior has been a little off, so Sara and Gary become determined to find out what happened, but Rory gets some unexpected news from his daughter, Lita.
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?
DC's Legends of Tomorrow - This Is Gus Synopsis and Schedule