Hereafter, Pt. 2
S2, E20: Thought dead by his friends, Superman wakes up in an apocalyptic wasteland 30,000 years in the future; he searches for answers and meets humanity's last survivor.

S2, E20: Thought dead by his friends, Superman wakes up in an apocalyptic wasteland 30,000 years in the future; he searches for answers and meets humanity's last survivor.