Know Thine Enemy (2) Superboy : Season 4 Episode 8

Lana appears in Luthor's VR world just as Superboy, believing he is Luthor, is about the kill ""his"" parents with a bomb. She convinces Superboy that he is not Luthor and none of what is happening is real. As soon as he acknowledges this, the program shuts down. Back at Luthor's lair, Darla now sees how truly crazy Lex is, and shoots him in the shoulder. She activates a hypersonic signal and Superboy follows it to the new lair. Meanwhile, Lana learns that Luthor's sudden death wish came about because his beloved Lena died in a car crash one week ago. However, he utilities were turned off the day before she died, and no body was ever found. Lana goes in search of Lena, who she believes is still alive somewhere. Luthor unleashes his android double to kill Superboy. The two fight as the countdown to destruction continues. Minutes before the bombs are to go off, Lana arrives with now 23-year-old Lena. Can Lena stop her brother from destroying the world?