User blog comment:Thailog/New trailer for Season 2/@comment-4301461-20120422175725/@comment-432124-20120422193039

Plus, Greg has already said that the events of Season 2 would take place in the next six months after the events of the first season finale. In other words, there will never be a time jump. You're probably thinking that Robin and Batgirl look older because you've never seen them with tight, long-sleeved shirts.