Hacker Time

Dick and Dom

Sue Barker

Naomi Wilkinson

Barney Harwood

Gerran Howell and Claire Thomas

Jennie McAlpline

Ed Petrie

Connor Byrne and Kay Purcell

Ricky Boleto

Ceallach Spellman

Sam and Mark

Susanna Reid

Joe Pasquale

Saira Khan

Robbie Savage

Khalil and Jason

Matt Allwright

Fran Scott

Andrew Whyment

Shannon Flynn

Bobby Lockwood

Perri and Jordan

Deborah Meaden

Ben Shires

Martin Lewis

Simon Rimmer

Radzi and Lindsey

Maisie Smith

Sally Nugent

Ortis Deley

Kia Pegg and Amy-Leigh Hickman

Dr Maggie Aderin-Pocock

Millie & Jeremy

Rav Wilding

Kevin Clifton

Chris van Tulleken and Xand van Tulleken

Ellie Simmonds

Time Warwood

Sonia

Jay Rayner

Kimberly Wyatt

Kimberly Wyatt from Taking the Next Step is flushed in to the studio to join Hacker and the team for more weird and wond

Leona Vaughan and Louis Payne

Leona Vaughan and Louis Payne from CBBC's Wolfblood find themselves flushed in to Hacker's basement studio to take part

Lauren Layfield

One of the presenters of CBBC's The Dengineers drops in to join Hacker and the team. Also, pirates board the ship in Adm

Alison Hammond

Showbiz reporter Alison Hammond gets flushed in to the Hacker Time studio to star in this episode. More used to mingling

Isabel Clifton and Matthew Ashforde

Isabel Clifton and Matthew Ashforde, who play Hetty and Mr Cranbourne, are Hacker's guests. Look out for Hacker's homage

Steph McGovern

BBC Breakfast and Pocket Money Pitch presenter Steph McGovern drops in to the Hacker Time studio to endure Hacker's joke

Michelle Hardwick

Hacker tricks Emmerdale actress Michelle Hardwick into the studio to endure lots of soap jokes, as well as perform in a

Luis Troyano

Great British Bake Off finalist Luis Troyano joins Hacker, Derek, Lolly, Wilf, Herman, Larry and whoever the other ones

Paul Martin

Expect antique jokes and jokes about antiques as Paul Martin from Flog It! joins Hacker in the studio. Plus Cel Spellman

Ricky Martin

CBBC's Art Ninja, Ricky Martin, joins Hacker in the studio for a show about all things art. Plus Luke and Leia sing abou