Fair rating?Superboy· Season 2 · Episode 3
Metallo
A heart attack patient, who is also an escaped convict, transforms into a cyborg with a heart powered by kryptonite.
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#4In Season 2of 26 rated episodes
#6All-timeof 100 rated episodes
+0.6vs season avgSeason 2 averages 6.4
1989First airedOctober 21, 1989
