 " Survival of the Fittest " originally aired on March 8 , 2008 , on the Kids ' WB block on The CW . It had previously been shown to a large audience at the 2008 WonderCon . The episode was the highest rated program of the Kids WB ! 2007 @-@ 2008 combined with the second episode " Interactions " and alone received a Nielsen rating of 1 @.@ 2 / 3 . It was well received by critics , IGN calling it " a Spider @-@ Man story that feels like classic Spider @-@ Man , and that 's a good thing . " 
