Fair rating?Superboy· Season 2 · Episode 25
Johnny Casanova and the Case of Secret Serum
Johnny Avonasac, a tennis player, finds a mysterious potion left behind by his dead brother that transforms into Johnny Casanova, an overweight slob who also happens to be a magnet for women, including Lana.
Not streaming in your region — see every region's options
#25In Season 2of 26 rated episodes
#97All-timeof 100 rated episodes
−1.4vs season avgSeason 2 averages 6.4
1990First airedMay 12, 1990

