Publication history of Dick Grayson leadership of the Titans to Wonder Girl, and takes a leave of absence from the team. In pre-"Crisis on Infinite Earths" continuity, the maturing Dick Grayson grows weary of his role as Batman's young sidekick. He renames himself Nightwing, recalling his adventure in the Kryptonian city of Kandor, where he and Batman meet the local hero of the same name. "Nightwing: Secret Files & Origins" #1 and "Nightwing: Year One" tell the full post-Crisis version of how Dick Grayson gives up his identity as Robin (having been "fired" by Batman). Uncertain what to do with his new-found independence, Dick considers
The Batman Sabara) to the show due to the cancellation of the "Teen Titans" animated series in 2006. The opening episode of the season focuses on Dick Grayson's origins as Robin. Through the loss of Grayson's parents in a circus accident, he is adopted by Bruce Wayne who assists Grayson in bringing down the mafia boss responsible for his parents' deaths. The second episode in the season leads to Batgirl officially becoming part of the team, with each member's secret identity being revealed to each other. This reveal eventually leads to Batgirl and Robin forming a sibling-like rivalry. One of the highlights