Corrections drug dog Jesse sniffs out drugs at Northland Regional Corrections Facility, while Customs drug dog Zulu finds them on the mail belt. Plus, a tribute to deceased police dog Gazza.

Flynn sniffs out trouble at the prison Mail Centre and MPI dog team Dee and Sam run checks on a cruise ship at Milford Sound.

Delta team Paul and Falon show how good they are at catching bad men, Corrections dogs Tiggy and Mac hunt behind the wire for contraband,