He has traveled to every city, every town and every outpost in the United States, Mexico and Canada, and has found no one. As he returns to his hometown of Tucson, Phil comes to the realization that he is almost certainly the last living being on the face of the earth.
Apeman — The Kinks
Phil picks his new home in Tucson after finding noone alive in any of the 50 states.
South American Getaway — Burt Bacharach
Phil goes grocery shopping
Sun Shine On Me — Lee Silver Productions
Phil bowls in the parking lot
The Fish Aren't Bitin' Today — David Allan Coe
Phil fills a wading pool with alcohol
The Last Man On Earth Theme — Mark Mothersbaugh
Phil writes the Alive in Tucson, and he tries to commit suicide.
Big Chief (Complete Version) — Professor Longhair & Earl King
End of the episode