Dexter 2x5 The Dark Defender Season 2 Season 0 0 EpisodesSeason 1 12 EpisodesSeason 2 12 EpisodesSeason 3 12 EpisodesSeason 4 12 EpisodesSeason 5 12 EpisodesSeason 6 12 EpisodesSeason 7 12 EpisodesSeason 8 12 Episodes 2x1 - It's Alive! 2x2 - Waiting to Exhale 2x3 - An Inconvenient Lie 2x4 - See-Through 2x5 - The Dark Defender 2x6 - Dex, Lies, and Videotape 2x7 - That Night, A Forest Grew 2x8 - Morning Comes 2x9 - Resistance Is Futile 2x10 - There's Something About Harry 2x11 - Left Turn Ahead 2x12 - The British Invasion Dexter finds out that the man who killed his mother, right in front of him, is still alive. When he tells this to Lila, she suggests he face the man, as part of his road to addiction recovery. But then as his sponsor she insists on tagging along.