Wally says to Kuasa that he's the fastest man alive to which Nate corrects him by remarking that he's the "second fastest" as Barry Allen is the fastest man alive because after Barry spent six months in the Speed Force, he became significantly faster than Wally.
Damien makes a reference to his attack on the Arrowcave when inside Mari's vigilante headquarters.
This episodes marks the live-action debut of Chuck McCabe. He previously appeared in Vixen (2015).
The title is in reference to the book and movie versions of I, Robot (2004), in which the world is filled with mass-produced robots that are identical to each other and they are considered to be "Perfect".
Both Legends of Tomorrow as well as the Flash are filmed in Vancouver. The exterior shot of the Ava facility is the Science World dome and just off frame to the left is BC Place stadium which is the model for STAR Labs in the Flash.