Brandon and Grace plan the ultimate senior prank which ends up going a little too far. Mariana and Mat make a huge decision about the future of their relationship.

The Fosters kids attend a party at the Derby warehouse, but things escalate quickly when the cops show up. Lena struggles when Stef starts to become obsessed with an ongoing…

Callie and Aaron discuss taking their relationship to the next level. Mariana finds fulfillment training with the Latina derby team. Brandon’s new girlfriend Grace catches him playing hero to his…