BBY/ABY is used to position items along the Star Wars Timeline. BBY refers to Before the Battle of Yavin. ABY refers to After the Battle of Yavin. The Battle of Yavin in Episode IV: A New Hope occured in 0 BBY/ABY.
When Ezra Bridger runs in to an old friend from his past, secrets about Ezra’s missing parents are finally brought to light. Can Ezra unravel the mystery of their disappearance while still helping the rebels fight the Empire? The stakes are higher than ever as Imperial Agent Kallus and the fearsome Inquisitor join forces to stop the rebels. With such dangerous enemies, the team is in for the fight of their lives!