Pipes hadn't expected anyone new to show up. He'd just thought it was the first surge and that was it, but evidently not. Not that it mattered to him - he's still delighted at the prospect of meeting anyone (who isn't Overlord) new.

He was looking around for more of the odd fruits to take back for the humans and saw a large red bot he assumed was the Matrix bearing Optimus. Like when he first arrived, he immediately runs over.

"Opti--" Wait. That shape is wrong. "Wait, what?"