TV Cops - Season 21 Episode 18 : Upon Further Investigation Cops - Season 21 Episode 18 : Upon Further Investigation 6.642/10 by 183 users A suspicious-person call in Harris County, Texas, turns into a case of narcotics possession; a motorcyclist is taken in on a DUI charge in Rancho Cucamonga, Cal.; sheriffs in San Diego County, Cal., investigate a grocery-store theft. Details Casts Posters Images Title Cops - Season 21 Episode 18 : Upon Further Investigation Alternative Titles First Air Date 1989-03-11 Last Air Date 2026-03-20 Number of Episodes 1271 Number of Seasons 37 Genres Reality, Networks FOX, Spike, Paramount Network, Fox Nation, Casts Plot Keywords , Episodes List Cops Season 21 :Episode 1 Back to Broward Special Edition Back to Broward Special Edition 2008-09-06 Follow real-life law enforcement officers from various regions and departments of the United States armed with nothing but with cameras to capture... Cops Season 21 :Episode 2 What a Sap Special Edition What a Sap Special Edition 2008-09-06 Follow real-life law enforcement officers from various regions and departments of the United States armed with nothing but with cameras to capture... Cops Season 21 :Episode 3 Stupid Behavior #3 Stupid Behavior #3 2008-09-13 Follow real-life law enforcement officers from various regions and departments of the United States armed with nothing but with cameras to capture... Cops Season 21 :Episode 4 Resisting Arrest #4 Resisting Arrest #4 2008-09-20 Follow real-life law enforcement officers from various regions and departments of the United States armed with nothing but with cameras to capture... Cops Season 21 :Episode 5 Black & Blue & White Black & Blue & White 2008-09-27 Follow real-life law enforcement officers from various regions and departments of the United States armed with nothing but with cameras to capture... Cops Season 21 :Episode 6 Coast to Coast Coast to Coast 2008-10-04 Follow real-life law enforcement officers from various regions and departments of the United States armed with nothing but with cameras to capture... Cops Season 21 :Episode 7 What! Who Me? What! Who Me? 2008-10-11 Follow real-life law enforcement officers from various regions and departments of the United States armed with nothing but with cameras to capture... Cops Season 21 :Episode 8 Morons on Parade Morons on Parade 2008-11-01 Follow real-life law enforcement officers from various regions and departments of the United States armed with nothing but with cameras to capture... Cops Season 21 :Episode 9 Anger Management Anger Management 2008-11-08 Follow real-life law enforcement officers from various regions and departments of the United States armed with nothing but with cameras to capture... Cops Season 21 :Episode 10 Liar Liar Special Edition #2 Liar Liar Special Edition #2 2008-11-15 Follow real-life law enforcement officers from various regions and departments of the United States armed with nothing but with cameras to capture... Cops Season 21 :Episode 11 Evidence? What Evidence? #2 Evidence? What Evidence? #2 2008-11-22 Follow real-life law enforcement officers from various regions and departments of the United States armed with nothing but with cameras to capture... Cops Season 21 :Episode 12 Coast to Coast Coast to Coast 2008-12-06 Follow real-life law enforcement officers from various regions and departments of the United States armed with nothing but with cameras to capture... Cops Season 21 :Episode 13 Ho! Ho! Ho! #6 Ho! Ho! Ho! #6 2008-12-13 Follow real-life law enforcement officers from various regions and departments of the United States armed with nothing but with cameras to capture... Cops Season 21 :Episode 14 Coast to Coast Coast to Coast 2009-01-17 Follow real-life law enforcement officers from various regions and departments of the United States armed with nothing but with cameras to capture... Cops Season 21 :Episode 15 Coast to Coast Coast to Coast 2009-01-24 Follow real-life law enforcement officers from various regions and departments of the United States armed with nothing but with cameras to capture... Cops Season 21 :Episode 16 Coast to Coast Coast to Coast 2009-01-31 Follow real-life law enforcement officers from various regions and departments of the United States armed with nothing but with cameras to capture... Cops Season 21 :Episode 17 Coast to Coast Coast to Coast 2009-02-06 Follow real-life law enforcement officers from various regions and departments of the United States armed with nothing but with cameras to capture... Cops Season 21 :Episode 18 Upon Further Investigation Upon Further Investigation 2009-02-14 Follow real-life law enforcement officers from various regions and departments of the United States armed with nothing but with cameras to capture... Cops Season 21 :Episode 19 Neighborhood Busts Neighborhood Busts 2009-02-21 Follow real-life law enforcement officers from various regions and departments of the United States armed with nothing but with cameras to capture... Cops Season 21 :Episode 20 In Denial #2 In Denial #2 2009-02-28 Follow real-life law enforcement officers from various regions and departments of the United States armed with nothing but with cameras to capture... Cops Season 21 :Episode 21 Liar Liar No. 3 Liar Liar No. 3 2009-03-08 Follow real-life law enforcement officers from various regions and departments of the United States armed with nothing but with cameras to capture... Cops Season 21 :Episode 22 On the Run Special Edition On the Run Special Edition 2009-03-14 Follow real-life law enforcement officers from various regions and departments of the United States armed with nothing but with cameras to capture... Cops Season 21 :Episode 23 750th Episode Milestone 750th Episode Milestone 2009-03-21 Follow real-life law enforcement officers from various regions and departments of the United States armed with nothing but with cameras to capture... Cops Season 21 :Episode 24 Bad Girls No. 12 Bad Girls No. 12 2009-03-21 Follow real-life law enforcement officers from various regions and departments of the United States armed with nothing but with cameras to capture... Cops Season 21 :Episode 25 Dazed and Confused Dazed and Confused 2009-03-28 Follow real-life law enforcement officers from various regions and departments of the United States armed with nothing but with cameras to capture... Cops Season 21 :Episode 26 High Crimes No. 4 High Crimes No. 4 2009-03-28 Follow real-life law enforcement officers from various regions and departments of the United States armed with nothing but with cameras to capture... Cops Season 21 :Episode 27 Coast to Coast Coast to Coast 2009-04-11 Follow real-life law enforcement officers from various regions and departments of the United States armed with nothing but with cameras to capture... Cops Season 21 :Episode 28 Police Pullovers No. 5 Police Pullovers No. 5 2009-04-25 Follow real-life law enforcement officers from various regions and departments of the United States armed with nothing but with cameras to capture... Cops Season 21 :Episode 29 From Bad to Worse From Bad to Worse 2009-04-25 Follow real-life law enforcement officers from various regions and departments of the United States armed with nothing but with cameras to capture... Cops Season 21 :Episode 30 Coast to Coast #152 Coast to Coast #152 2009-05-16 Follow real-life law enforcement officers from various regions and departments of the United States armed with nothing but with cameras to capture... Cops Season 21 :Episode 31 Odd Arrests Odd Arrests 2009-05-16 Follow real-life law enforcement officers from various regions and departments of the United States armed with nothing but with cameras to capture... Cops Season 21 :Episode 32 Coast to Coast Coast to Coast 2009-05-30 Follow real-life law enforcement officers from various regions and departments of the United States armed with nothing but with cameras to capture... Cops Season 21 :Episode 33 Coast to Coast #153 Coast to Coast #153 2009-06-06 Follow real-life law enforcement officers from various regions and departments of the United States armed with nothing but with cameras to capture... Cops Season 21 :Episode 34 Coast to Coast #154 Coast to Coast #154 2009-07-11 Follow real-life law enforcement officers from various regions and departments of the United States armed with nothing but with cameras to capture... Cops Season 21 :Episode 35 Coast to Coast #155 Coast to Coast #155 2009-07-18 Follow real-life law enforcement officers from various regions and departments of the United States armed with nothing but with cameras to capture... Cops Season 21 :Episode 36 Coast to Coast #156 Coast to Coast #156 2009-07-25 Follow real-life law enforcement officers from various regions and departments of the United States armed with nothing but with cameras to capture...