Overview:Manny Coto wanted to do the mirror universe in an episode or two. Mike Sussman had the original idea. Manny Coto talks about building a replica of the original series sets needed for the two episodes. Doug Drexler describes his process for reproducing these sets accurately. He recalls the bridge set created for "Relics" from the Next Generation as well as the work done for "Trials and Tribble-ations" from Deep Space Nine. Michael Westmore talks about how to portray the Gorn. Dan Curry continues with the Gorn's hands. John Teska was able to build a CG creature from a maquette of the Gorn that Michael Westmore got approval for.