MORE THAN A dozen sweaty bodies are crammed inside a tiny apartment in desertlike Chatsworth, Calif., on an uncomfortably hot August afternoon. In the 1970s, such a scenario would have signified something quite different — the town, located 27 miles northeast of Hollywood, was once a porn-industry hub. Today’s activities, however, are decidedly more chaste as the cast and crew of Fox’s The Last Man on Earth dig into filming its second season, set to premiere Sept. 27. The scene has series protagonist Phil Miller (creatorshowrunner-star Will Forte) and his wife, Carol (Kristen Schaal), visiting the apartment she left behind in Tampa, Fla., before her journey west following the as-yet-unexplained decimation of (nearly) everyone on Earth. (Think: a funny, zombiefree Walking Dead.)
Schaal and Forte wind their way down a…