Man's best friend is back to keep would-be trouble makers on a short leash. Tonight, Waikato Delta team Blair and Rush assist in apprehending an out of control driver.

Tonight, Wellington Delta team Rob and Quita track a big man up a small tree while Rotorua Delta team Luke and Cato track a late night prowler.

Waikato Delta team Kieran and Gabby join a police pursuit and track an offender cross country. Corrections detector dog Bee shows how well she knows her stuff at Christchurch Men's Prison.