in The Original Series episode "Arena", which aired January 19, 1967. In that case a Gorn costume was used, while a computer generated graphic was used for this Star Trek Enterprise episode. Reception Ratings The first part of "In a Mirror, Darkly" aired on April 22, 2005, on UPN in the United States. It was the 700th live-action Star Trek episode broadcast. It received a 2.0/3 percent share among adults between the ages of 18 and 49. This means that it was seen by 2 percent of all households, and 3 percent of all of those watching television at the time of the broadcast. This placed UPN fifth out of the major networks during the installment's hour of broadcast, ahead of The WB. This was the only time during the primetime hours that UPN placed ahead of The WB. The second part aired the following week on April 29. Ratings were similar to the first episode, with another 2.0/3 percent score, and again placing fifth during the timeslot ahead of The WB. Cast commentary In a 2015 SyFy article, Scott Bakula said the episode was a favorite of his. Actress Linda Park, who had a substantial role in the two-parter, has said, "I think it’s well known that those are my favorite episodes." However, Connor Trinneer and John Billingsley were more critical; Trinneer described them as "pandering," while Billingsley said they were "all effect and no point" and "a little too meta." Their fellow cast member Dominic Keating disagreed, calling the two-parter "good fun." Critical response The two-part episode was generally acclaimed by critics and fans as one of the best installments of the series. David Bianculli of the New York Daily News called the episodes "the best hours of Enterprise yet." He wrote, "The biggest treat of this episode, though, is its ability to surprise - and to do so with not only a sense of Trek history, but with a sense of humor." Bianculli added that "by taking a walk on the wild side, Enterprise is being very good by letting its characters be very bad." He rated the episode three-and-a-half out of four stars, and said that it was so much fun that "had they adopted this attitude from the start, Enterprise probably would still be flying missions next season." "In a Mirror, Darkly" has been featured on several "Best of" lists. In August 2016, fans at