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 last month 

👎Noot! noot! I knew you’d hit me with that - but unfortunately, that’s not quite what I'm looking for.

Okay! Pingu at least says Noot! but Shaun the Sheep is completely wordless, hence Shaun the Sheep is the odd one out.

 last month 

That's true but Chriddi got the correct answer. Shaun is the only show that's a spin-off among the four.

and I thought "Noot" was a hint 😃

 last month 

Ooops... 🤭