An unhappy camper is sniffed out by drug dog Oscar at Mt Eden prison and Customs drug dog Rajax makes a big discovery.

Whanganui Delta team Jason and Farris extract a burglar from his hidey hole and drug dog Oscar alerts handler Bill to trouble at Mt Eden Prison.

Police dog Hades doesn't give up on the chase for a burglar. Then MPI Labrador Ebony sniffs out something that's just about crawling on the mail belt.