When the partical accelerator is back online, Barry will have to go back in time to stop Eobard Thawne on the night of his mother’s murder 15 years ago.
Still feeling responsible for Eddie’s death, Barry pushes his friends away and tries to protect the city on his own; Cisco assists Joe with the Meta Task Force.
The Flash fights a villain from the 64th Century named Abra Kadabra, who offers to reveal Savitar’s identity in exchange for his release.
The Music Meister sends Supergirl and the Flash to a world where life is a musical and the only way to escape is to sing and dance.
Desperate to stop Savitar and save his friends, Barry turns to the speed force for answers; H.R. gives Jesse some advice.