Law & Order: Special Victims Unit 20x21 Exchange Season 20 Season 0 0 EpisodesSeason 1 22 EpisodesSeason 2 21 EpisodesSeason 3 23 EpisodesSeason 4 25 EpisodesSeason 5 25 EpisodesSeason 6 23 EpisodesSeason 7 22 EpisodesSeason 8 22 EpisodesSeason 9 19 EpisodesSeason 10 22 EpisodesSeason 11 24 EpisodesSeason 12 24 EpisodesSeason 13 23 EpisodesSeason 14 24 EpisodesSeason 15 24 EpisodesSeason 16 23 EpisodesSeason 17 23 EpisodesSeason 18 21 EpisodesSeason 19 24 EpisodesSeason 20 24 EpisodesSeason 21 20 EpisodesSeason 22 16 Episodes 20x1 - Man Up 20x2 - Man Down 20x3 - Zero Tolerance 20x4 - Revenge 20x5 - Accredo 20x6 - Exile 20x7 - Caretaker 20x8 - Hell's Kitchen 20x9 - Mea Culpa 20x10 - Alta Kockers 20x11 - Plastic 20x12 - Dear Ben 20x13 - A Story of More Woe 20x14 - Part 33 20x15 - Brothel 20x16 - Facing Demons 20x17 - Missing 20x18 - Blackout 20x19 - Dearly Beloved 20x20 - The Good Girl 20x21 - Exchange 20x22 - Diss 20x23 - Assumptions 20x24 - End Game Benson helps a teenaged exchange student after she's assaulted by a cab driver.