Third Watch is een Amerikaanse dramaserie van de zender NBC. De serie ging in première op 23 september 1999.
Third Watch volgt de belevenissen van politieagenten, brandweermannen en ambulancepersoneel in het fictionele 55th Precinct. De dienst van het personeel loopt tussen 3.00pm tot 11.00pm, de zogenaamde Third Watch.
Carlos falls behind in his studies and then hears some shocking news from Vangie; the cops search for a two-year old girl missing after her family is involved in a car crash; Bosco and Faith contend with a disabled man dealing drugs to children; Sully and Davis track down the alcoholic who attacked the pastor of Sully's church.