Fist pumps still rule! Jersey Shore was the year's most-watched prime-time series on basic cable. Capisce?Snooki , The Situation and their paisans averaged 9.29 million viewers in 2011, according to year-end Nielsen Co. data. (The show returns Thursday, Jan. 5 at 10/9c.) Second place: Season 2 of AMC's The Walking Dead, with 8.87 million. The shows also ranked No. 1 and 2 among the industry-prized 18-to-49-year-olds.Rizzoli & Isles with 8.14 million, followed closely by its lead-in The Closer, which enticed an average of 8.13 million. History's Pawn Stars came in fifth, scrounging up 7.02 million viewers.Falling Skies (6.91 million), Royal Pains (6.56 million), Suits (6.31 million), Burn Notice (6.01 million) and American Pickers (5.78 million).Sons of Anarchy, Pawn Stars, The Game, Teen Mom 2, Teen Mom, Tosh.0, Falling Skies and Keeping Up with the Kardashians.