Superboy - Season 3 - Eps 6: Roads Not Taken (2)
Superboy jumps through the portal to escape the kryptonite assault. In this world, he is the "Sovereign," a dictator that rules using fear tactics. Lana and Luthor, lovers in this world, are leading a revolution to overthrow the Sovereign. Lana arms herself with kryptonite bomb to destroy the Sovereign, hurting both versions of Superboy. But when she sets off the bomb, killing them both, the first alternate Superboy rescues the original Superboy from the kryptonite-laden shockwave. When all is done, Superboy destroys the portal.
About Superboy

Title: Superboy
First Air Date: 1988-10-08
Last Air Date: 1992-05-17
Status: Ended
Rating: 6.4/10 (from 20 votes)
Language: EN
Seasons: 4
Total Episodes: 100
Network: Syndication
Genres: Action & Adventure, Drama, Sci-Fi & Fantasy
Production Companies: Unknown
Synopsis
Superboy is a half-hour live-action television series based on Kal-El's early years as Superboy. It depicted Superboy's adventures during his college years, his meetings with Lex Luthor and his romance with Lana Lang. The series was brought to the screen by executive producers Ilya and Alexander Salkind, who were the producers of the first three Superman movies and the 1984 Supergirl movie.
Cast

Gerard Christopher
Superboy / Clark Kent

Stacy Haiduk
Lana Lang

Peter Jay Fernandez
Matt Ritter

Robert Levine
C. Dennis Jackson