Conversation so far:
How is a spin-off completed?
Like many other reality TV shows, Dancing on Ice has had a number of supplementary shows.
The first was Dancing on Ice Defrosted.
Which show was most popular?
The show featured opinions from celebrity guests and past contestants as well as from Torvill and Dean, the judges, presenters and competitors.
Which spin-off was most popular?
CANNOTANSWER.
How long did it run?
CANNOTANSWER.
Did any famous people appear on the spin-offs?
Midway through the first series Paul O'Grady left ITV to join Channel 4 meaning that ITV had no show to put on air at 5 pm.

Question: What channel was the original show on?
Self-contained rewrite: What channel was the original show Dancing on Ice Defrosted?