Family Guy creator Seth MacFarlane has criticised Fox for pressing ahead with airing new episodes of the show that have not received his sign-off.

MacFarlane has joined many other showrunners in refusing to cross WGA picket lines to work on getting new material finished. However, Fox is planning to air at least three more original episodes where final production tweaks are in progress - even if MacFarlane does not sign them off.

"It would just be a colossal dick move if they did that," MacFarlane told Variety.

He acknowledged that Fox is legally entitled to complete the episodes, but added:

"They've never done anything like this before, in which they've said, 'We're going to finish a show without you'. It's really going to be unfortunate and damaging to our relationship if they do it."