ABC and the CW returned to originals last night with CBS, NBC and Fox sticking to reruns. The premiere of ABC’s Winter Wipeout (2.8/8 among adults 18-49) was down 26% from its January 2011 premiere but up from the special Wipeout airing in November, which drew a 1.9. Wipeout marked a significant improvement for ABC in the Thursday 8 PM slot vs. fall occupant Charlie’s Angels and posted a season high in the hour among adults 18-49. It also may have helped Grey’s Anatomy (4.5/11), which returned up 10% from its most recent original two months ago. The gains extended to 10 PM, where Grey’s spinoff Private Practice (2.8/7) was up 8% from its last original in November. ABC (3.3/9, 9.5 million viewers) won the night in 18-49 and total viewers with its best numbers in 15 weeks. The CW’s Thursday dramas also came back after a two-month hiatus last night. Both The Vampire Diaries (1.4/4) and The Secret Circle (0.8/2) were even with their last originals November 10.