How did Oliver Queen manage to help the team with their latest time-hopping mystery?
We found out the answer to that on DC's Legends of Tomorrow Season 2 Episode 1 when a historian made a shocking discovery.
When the team reunited, they quickly realized they would need to embark on another quest and would need to save Albert Einstein.
Also, Ray came to the conclusion that Sara had a mission of her own.
Use the video above to watch DC's Legends of Tomorrow online to get up to speed with the latest drama.
Paul Dailly is a staff writer for TV Fanatic. Follow him on Twitter.