Yes there will.The format nor the cast has been decided yet but yes there will be.
This link confirms that: http://lifetheuniverseandcombom.blogspot.com/2009/07/torchwood-season-4-announcement.html
To date there are 3 series and there are rumors that there is going to be a forth if there are enough viewers!
It has been announced by John Barrowman on this morning that there will be a series 4 torchwood and they started filming it in January so there should be a new series later this year.
There hasn't even been a fourth series yet.
Rumours say that he is not going to be in Torchwood Series 3. And evidence backs this up as he is filming for other things. But as for series in the future - who knows?
Series 2 Episode 4 Meat
It is not exact when Torchwood series 4 will be released but it is certain that there will be a 4th season. The expected date is late 2010 or early 2011, but no-one is quite sure.
in the last episode of torchwood, series 2, toshico and Owen died, so by the last episode of series 4 dr who, they wouldn't be there.
no
It already has. It's on thursdays, at 9pm.
www.bbc.co.uk/torchwood there is an advert on there. www.bbc.co.uk/torchwood there is an advert on there.
Torchwood series 4 begins filming in January 2011, so it will probably air sometime in late 2011.
the bbc have annouced a fourth series so technically yeh