 Jane Boursaw of AOL 's TV Squad wrote , " Another great episode tonight , and some of the little symbols we see leading into commercials were actually in tonight 's episode , " referring specifically to the hallucinatory butterflies and the frogs / toads found in the basement . Andrew Hanson of the Los Angeles Times took notice here of the pattern of Easter eggs teasing the next episode of the series . This feature of the show had earlier been touched on in an interview with showrunner Jeff Pinkner . As an example , the previous episode " The Equation " had contained a shot of a butterfly on a trashcan , foreshadowing the hallucinated butterfly attack in this episode . 
 Jane Boursaw of AOL <a href='null_genetive' title='1'><mark>'s</mark></a>TV Squad wrote , " Another great episode tonight , and some of the little symbols we see leading into commercials <a href='uninflect' title='2'><mark>were</mark></a> actually in tonight <a href='null_genetive' title='3'><mark>'s</mark></a>episode , " referring specifically to the hallucinatory butterflies and the frogs / toads found in the basement . Andrew Hanson of the Los Angeles Times took notice here of the pattern of Easter eggs teasing the next episode of the series . This feature of the show <a href='been_done' title='4'><mark>had</mark></a> earlier been touched on in an interview with showrunner Jeff Pinkner . As an example , the previous episode " The Equation " <a href='been_done' title='5'><mark>had</mark></a> contained a shot of a butterfly on a trashcan , foreshadowing the hallucinated butterfly attack in this episode . 
Jane Boursaw of AOL  TV Squad wrote , " Another great episode tonight , and sum of the little symbols we see leading into commercials was actually in tn  episode , " referring specifically to da hallucinatory butterflies and the frogs / toads found in the basement . Andrew Hanson of tdaLos Angeles Times took notice here of thdaattern of Easter eggs teasing the next episode of thedaries . dis feature of the show done earlier been touched on in an interview with showrunner Jeff Pinkner . As an example , the previous episode " The daation " done contained a shot of a butterfly on a trashcan , foreshadowing the hallucinated butterfly attack in this episode .