The Walking Dead, which aired the final episode of Season 2A on Sunday, has become the top-rated basic cable original drama ever for adults 18-49, according to Variety.  The final episode of the first half of its second season had 6.6 million viewers on its first showing Sunday night, easily topping the final episode of the first season (see “’Walking Dead’ Ratings Tops”).  It had the best ratings of any episode in the second season except for the premiere (see “’Walking Dead’ Season 2 Ratings Boffo”). 

The second half of Season 2 will premiere on February 12th, 2012.