Series 4 - Radzi & Lindsey
More flea-bitten fun, chat and music from Hacker T Dog, but what will he make of Blue Peter presenters Radzi and Lindsey?
Series 5: 3. Millie & Jeremy
Series 6: 3. Lauren Layfield
Series 5: 1. Kia Pegg & Amy-leigh Hickman
Series 4 - Simon Rimmer
Comedy capers from Hacker T Dog, as well as a top flight documentary, Aeroport. Plus, has Hacker bitten off more than he can chew with TV chef Simon Rimmer?
Series 5: 2. Maggie Aderin-pocock
Series 4 - Bobby Lockwood
Chat, music and comedy from Hacker T Dog. Hacker tries to outfox Wolfblood's Bobby Lockwood.
Series 6: 10. Ricky Martin
Series 3 - Robbie Savage
More top line entertainment from the pooch with pedigree. Hacker tackles Robbie Savage with some footie banter.
Series 5: 10. Jay Rayner
Series 3 - Khalil And Jason
More top-line entertainment from the pooch with pedigree. Hacker's guests are Khalil Madovi and Jason Callender from 4 O'Clock Club.
Series 6: 5. Isabel Clifton & Matthew Ashford
Series 3 - Sam And Mark
Featuring Hacker T Dog and his unique brand of entertainment - games, music, and comedy, all with a canine twist. Hacker winds up his special guests Sam and Mark.
Series 4 - Deborah Meaden
Chat, music and comedy from Hacker T Dog. Hacker hopes Dragons' Den star Deborah Meaden will invest her time and effort in his flea-ridden ideas.
Series 4 - Martin Lewis
Chat, music and comedy from Hacker T Dog, plus the lift-based quiz that works on many levels. In this episode, Hacker's guest is financial guru Martin Lewis.
Series 5: 4. Rav Wilding
Series 6: 7. Michelle Hardwick
Series 6: 6. Steph Mcgovern
Series 5: 7. Ellie Simmonds