1. Episode 1

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. 8 June 2019. 30 min

This week's guests are Martine McCutcheon, Les Dennis, Alison Hammond and Tom Courtenay.

2. Episode 2

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. 15 June 2019. 30 min

Georgia Taylor, Bill Roache, Konnie Huq and Kevin Whately join Harry Hill.

3. Episode 3

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. 22 June 2019. 30 min

Krishnan Guru-Murthy, Stephanie Beacham, Pam Ferris and Tom Allen are the guests on this episode.

4. Episode 4

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. 29 June 2019. 30 min

Harry Hill is joined by Pam St Clement, Chelsee Healey, Chris Packham and The Krankies.

5. Episode 5

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. 6 July 2019. 30 min

Jennie Bond, Nick Helm, Angellica Bell and Patrick Mower must find clips, people and anything that is fun or funny enough to save the world.

6. Episode 6

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. 13 July 2019. 30 min

Helping Harry Hill fill the fun capsule and prevent an alien invasion this week are Hollywood actor Warwick Davis, gardening expert Charlie Dimmock, TV presenter Kelly Brook and children's TV presenter Sarah Greene.

7. Episode 7

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. 20 July 2019. 30 min

This time Josh Widdicombe, Amanda Barrie, Samantha Womack and Michael Buerk help Harry Hill save planet Earth from a potential alien invasion.