We'll save that for the spin-off series.
Times, Sunday Times
What was the spin-off series called?
The Sun
And if so, can we have a spin-off series please?
The Sun
He had been due to oversee a spin-off series of 13 one-hour episodes based on the detective agency characters.
Times, Sunday Times
It prompted three sequels, with a fourth due out this year, and three television spin-off series, including an animated one.
Times, Sunday Times