In the episode "The Tellyscope," the program that is on at first is "When Penguins Turn." This could be a reference to Feathers McGraw, the main villain of Wallace & Gromit: The Wrong Trousers (1993), another Wallace and Gromit short.
In the episode "Turbo Diner," thee previously exploded Autochef can be seen in the dining room.
This television series was made while "The Curse Of The Were-Rabbit (2005)" was being made to keep Wallace & Gromit's popularity before the movie.
Their address with the postcode "WG7 7FU" can be seen in the episode "Shopper#13".
Footage of this series appears in the Curse Of The Were-Rabbit video game, according to that game, this series was homemade by Wallace And Gromit.