Dog Patrol, Episode 4

Whanganui Delta Team Sue and South track two men threatening to shoot someone's dog, while Customs team Ian and Yardie foil a drug smuggling plan.

Wellington Delta Team Regan and Taylor find a written off car and its driver, while Customs drug dog detector team Jo and Rani make a big reveal.

Delta Team Luke and Skudder take on six car thieves in Rotorua, while Biosecurity team Rob and Koda find a potential biosecurity nightmare.

Delta Team Adam and Moon find a vehicle whose driver failed to stop for police, while drug dog detector team Ian and Yardie identify a brand new method of illegal smuggling.

Wellington Delta Team Josh and Blue track a man who is clearly up to no good. Meanwhile, Auckland Council pest detector team Kerryn and Rosie get ready for a mouse hunt.

Delta Team Jason and Hitch go looking for a drunk driver, while Customs Team Jodie and Anika find a bedtime story that turns into a nightmare.

In Wellington, Delta Team Luke and Ice track down a late night trespasser, while truffle hunting dog team Karen and Indie search for buried treasures.

Delta Team Luke and Ice chase a very fit feeling driver, while Customs drug dog team Kofe and Yara rev up the pressure on smugglers.

Delta Team Nick and Ink are on a rescue mission to find a man who's fallen asleep under a van, while pest detector dogs Pip and Pippi get to work.

In Rotorua, stunt dog Hayes hits the small screen, big time. Meanwhile, Auckland Customs Team Oleana and Zion discover a major concealment.