Back to Sandman Desert (S02E05)

Having triumphed over the abyss's caretaker, the heroes make their way back to Earth, only to find a world transformed. They encounter a group of sand nomads and come to their aid against attacking beasts. Grateful for their help, the nomads invite the team to share some tea, during which they uncover that a sinister force has trailed them from the Demon Realm.