Blackfish airs in UK on BBC Four at 9pm tonight – join the live debate. 21 November 2013 Mark Caney Leave a comment This evening, Rob Lott will be hosting an online forum to discuss the issues raised by the film. Join the debate and let us know what you think on Twitter and Facebook from 8.30pm, UK time.MORE INFORMATION ON BLACKFISH JOIN THE DEBATE ON FACEBOOK FROM 8.30 PM JOIN THE DEBATE ON TWITTER FROM 8.30 PM Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)