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 6: 5. Isabel Clifton & Matthew Ashford
Series 6: 8. Luis Troyano
Series 5: 7. Ellie Simmonds
Series 5: 5. Kevin Clifton
Series 2 - Gerran Howell And Clare Thomas
Hacker T Dog has somehow managed to get his own TV programme. Young Dracula actors Gerran and Claire are spooktacularly tricked.
Series 6: 9. Paul Martin
Series 6: 4. Alison Hammond
Series 2 - Barney Harwood
Blue Peter bloke Barney Harwood finds himself on Hacker's chat show. He's used to appearing on TV, but Hacker Time is not like any other TV show.
Series 2 - Jennie Mcalpine
Hacker T Dog has somehow managed to get his own TV programme. Hacker secures top drawer Coronation Street star Jennie McAlpine to appear on his show.
Series 5: 8. Tim Warwood
Series 5: 9. Sonia
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.