[5] Shortly after becoming showrunners in 2001, Berger commented to the Los Angeles Times that, "my writing partner and I are both Ivy League-educated Jewish guys from the New York area", adding that, "for most of the country, it’s a really cool, smart show about people they know.

In November 2001, Hal Boedeker of the Orlando Sentinel gave the season opener "Bobby Goes Nuts" a positive review, and described Fox's programming that night as "highly uneven: a clever King of the Hill, a mediocre Simpsons, an amusing Malcolm in the Middle and a pointless X-Files."

Boedeker went on to write, "the sixth-season opener of King of the Hill manages the considerable feat of being more diverting than The Simpsons, and it does it with one of the hoariest bits of humor: the kick in the groin.

"[9] Smith noted that King of the Hill "wasn’t always easy to love at first, [but] today – six seasons later – stands out as one of the most creative and best-written shows on TV.

"[11] Hassenger also observed that, "by season six, Peggy’s scales have tipped towards buffoonery; she essentially plays the bumbling, dim husband role.

[12] In a retrospective 2009 article, Jaime Weinman of Canadian magazine Maclean's had a more critical view of the season, writing that "the show continues to have some of the story arcs and emotional development (including having Bobby break up with his girlfriend) but the wackiness gets seriously out of hand: one episode combines a secret brainwashing cult and a car full of birds (emus, to be precise) in the same story.