A&E is undertaking longform explorations into the making of Alfred Hitchcock’s “Psycho” and the creation of latenight stalwart “Saturday Night Live,” which the network will unveil in addition to four reality series and a pair of pilots today during day one of the Television Critics Assn. press tour. For the second quarter, the cable network continued to build its key demos (up 15% among 18-49 viewers and 4% in 25-54), and just celebrated the lowest median age in the channel’s 21-year history – 49 – for July to-date. New on the series docket for next year is “God or the Girl,” a five-part reality special from the Wolper Organization that focuses on five men – all with girlfriends – deciding whether to enroll in a seminary. A&E also has made six-episode commitments to Gay Rosenthal’s “Jackpot Diaries,” about real men and women whose lives have been transformed by winning the lottery, and Scott Sternberg’s “Spying on Myself,” announced in development in January. Debuting in the coming months are new seasons of “Growing Up Gotti,” “The First 48” and wish-fulfillment show “Random 1”; “Rollergirls” arrives in early 2006.