The relationship between "The Dynamic Duo" starts to sour. The Dark Knight becomes more and more frustrated as The Teen Wonder becomes more questioning. Friction develops.
Dick Grayson shows his disapproval to Batman for his aggressive and sometimes violent crime fighting techniques, plus his attitude towards the untrained Batgirl. After watching Babs and Dick play tennis, Bruce figures out that Barbara is actually Batgirl and decides to train her, much to the anger of Grayson.
