 The episode was written by Brian Scully and directed by Dominic Bianchi . It received generally negative reviews from critics , for its " promising start , " as well as its many cultural references . According to the Nielsen ratings , it was viewed in 8 @.@ 1 million homes in its original airing . The episode featured guest performances by Dwayne Johnson , Adrianne Palicki , and Rick Pasqualone , along with several recurring guest voice actors for the series . " Big Man on Hippocampus " was released on DVD along with ten other episodes from the season on December 13 , 2011 . 
