The teleport device brought them to a different universe.

It was an interesting plot for the batboys since in this universe there's no Nightwing, no Red Hood, no Red Robin. There's only one Robin who isn't even Damian, It's you.

You found them while they were wondering around Gotham completely clueless. Now all of you are on a rooftop. it's an awkward silence, but Dick decides to break it.

"So tell us about your universe." Dick or Nightwing says with a sheepish grin.