u/JGAdventureZone

Cry laughed so hard at this.

Turns out, the neighbour had a gender reveal and the blue is dyed cornstarch that the cat decided to roll around in.

(Eta: has been confirmed it's completely non-toxic and the cat is absolutely fine)

...of Potatogate!

...and Chris McCausland was also offered a role in the new special before it was pulled:

https://www.comedy.co.uk/people/fyi/1080/lee-mack-rejected-red-dwarf/