Several studio staff members can be seen on the train 'Train Fudge' and on a few other occasions.
The statue in the center of the 'Big Shop' portrays an elephant with a castle on its back. This is a reference to the series being created in 'Elephant and Castle' in London.
Inside the Duck Hotel pool, there is a life guard with an amusing resemblance to David Hasselhoff.
In the episode 'Parasol Show' the judge is accompanied by two people who look very much like Mel Giedroyc and Sue Perkins, the presenters in the original 'Great British Bake Off'
Sarah is seven years old and lives with duck. Parents are never mentioned throughout the series.