Biosecurity beagle Iko is itching to get started, we find out what skills mobility dogs Brooke, Blake and Arthur are picking up in prison, and it's decision time for Police pup Raptor.

Biosecurity beagles Joplin and Ice test the chemistry with their handlers; mobility dogs Brooke, Blake and Arthur finish their stint in prison; and guide dog Winnie's puppy raiser couldn't be prouder.