The most striking evolution in Season 2 is the deterioration of the "Sitcom World." In the first season, the sitcom universe was bright, loud, and inescapable. It represented the societal pressure on Allison to "perform" happiness. Whenever Kevin entered a room, the lights brightened, the studio audience cheered, and Allison had to slip on a mask of geniality.
When AMC’s Kevin Can F**k Himself premiered, it was greeted as a high-concept curiosity. It was a meta-commentary on the "fat husband/hot wife" trope that had dominated American sitcoms for decades, from The King of Queens to According to Jim . The show’s gimmick—switching between multi-camera sitcom lighting and gritty single-camera drama depending on whether the titular Kevin was in the room—was brilliant, but it carried a significant risk: could the gimmick sustain itself over multiple seasons? Kevin Can F--k Himself - Season 2