Season 4 Episode
- Season 4 A Change of Heart (1)
- Season 4 A Change of Heart (2)
- Season 4 The Kryptonite Kid
- Season 4 The Basement
- Season 4 Darla Goes Ballistic
- Season 4 Paranoia
- Season 4 Know Thine Enemy (1)
- Season 4 Know Thine Enemy (2)
- Season 4 Hell Breaks Loose
- Season 4 Into the Mystery
- Season 4 To Be Human (1)
- Season 4 To Be Human (2)
- Season 4 West of Alpha Centauri
- Season 4 Threesome (1)
- Season 4 Threesome (2)
- Season 4 Out of Luck
- Season 4 Who is Superboy?
- Season 4 Cat and Mouse
- Season 4 Obituary for a Super Hero
- Season 4 Metamorphosis
- Season 4 Rites of Passage (1)
- Season 4 Rites of Passage (2)
Superboy - Season 4 Episode 3 The Kryptonite Kid
6.20 22 minutes Kryptonite infects a young scientist during a lab explosion, causing him to use his newfound powers against Superboy.
