Smallville 5x21 Oracle Season 5 Season 0 0 EpisodesSeason 1 21 EpisodesSeason 2 23 EpisodesSeason 3 22 EpisodesSeason 4 22 EpisodesSeason 5 22 EpisodesSeason 6 22 EpisodesSeason 7 20 EpisodesSeason 8 22 EpisodesSeason 9 21 EpisodesSeason 10 21 Episodes 5x1 - Arrival 5x2 - Mortal 5x3 - Hidden 5x4 - Aqua 5x5 - Thirst 5x6 - Exposed 5x7 - Splinter 5x8 - Solitude 5x9 - Lexmas 5x10 - Fanatic 5x11 - Lockdown 5x12 - Reckoning 5x13 - Vengeance 5x14 - Tomb 5x15 - Cyborg 5x16 - Hypnotic 5x17 - Void 5x18 - Fragile 5x19 - Mercy 5x20 - Fade 5x21 - Oracle 5x22 - Vessel Clark and Martha are both visited by Jonathan's ghost, who warns them about Lionel and claims that Clark must kill him to stop him. Meanwhile Fine will do whatever it takes to get the vaccine from Lex.