First broadcast: Tuesday 9th August 2016
Leona Vaughan and Louis Payne from CBBC's Wolfblood find themselves flushed in to Hacker's basement studio to take part in the chaos. There's another adventure with Admiral Lawnmower and his crew, and more Lost and Found. (...& Lost Again).
First broadcast: Thursday 11th August 2016
Showbiz reporter Alison Hammond gets flushed in to the Hacker Time studio to star in this episode. More used to mingling with Hollywood A-Listers, how will Alison get on when she is stuck with Hacker and his hopeless crew? There's also another adventure with Admiral Lawnmower and his crew, where they are having trouble with their Sat Nav. Also, Cel Spellman joins Hacker for another song in Lost and Found (...& Lost Again). All that and Accordion George plays Beam My Guest.
First broadcast: Friday 12th August 2016
Isabel Clifton and Matthew Ashforde, who play Hetty and Mr Cranbourne, are Hacker's guests. Look out for Hacker's homage to Hetty Feather and his song all about the harrowing past. Also, X marks the spot when Admiral Lawnmower and his crew reach their final destination.
First broadcast: Monday 15th August 2016
BBC Breakfast and Pocket Money Pitch presenter Steph McGovern drops in to the Hacker Time studio to endure Hacker's jokes about money. Pocket Money Pitch becomes Pocket Money Pooch for one day only, plus there's a trip to Rearend-On-Sea for TV's least informative documentary, The Accommodation Place.
First broadcast: Tuesday 16th August 2016
Hacker tricks Emmerdale actress Michelle Hardwick into the studio to endure lots of soap jokes, as well as perform in a sketch entitled Emmerfail. Plus Cel Spellman stars in Lost and Found (...& Lost Again) and there's another trip to The Accommodation Place.
First broadcast: Wednesday 17th August 2016
Great British Bake Off finalist Luis Troyano joins Hacker, Derek, Lolly, Wilf, Herman, Larry and whoever the other ones are. Expect plenty of cake jokes, some of them funny! Plus Cel Spellman stars in Lost and Found (...& Lost Again) and another trip to The Accommodation Place.
First broadcast: Thursday 18th August 2016
Expect antique jokes and jokes about antiques as Paul Martin from Flog It! joins Hacker in the studio. Plus Cel Spellman appears in Lost and Found (...& Lost Again) and Simon Lowe and Su Pollard feature in another edition of The Accommodation Place.
First broadcast: Friday 19th August 2016
CBBC's Art Ninja, Ricky Martin, joins Hacker in the studio for a show about all things art. Plus Luke and Leia sing about their potent breath in Lost and Found (...& Lost Again) and there's a final trip to Rearend-On-Sea for The Accommodation Place.