James Franco badly injured his head whilst filming 'Pineapple Express', his co-star Seth Rogen has revealed.<br /><br /><br /><br />Rogen, has been reminiscing about the flick to mark the movie's 10th anniversary and sharing some secrets from the set with his 7.6 million Twitter followers.<br /><br /><br /><br />The 'Superbad' star revealed that Franco only wore a headband as Saul for a scene in the woods because he had suffered a nasty cut, which needed stitching up after running into a tree which had screw through it.<br /><br /><br /><br />The 'Knocked Up' actor and his co-star Danny McBride also got into a bit of bother on set, the former broke his finger and the latter had his head sliced after Franco hit him, all in the same sequence.<br /><br /><br /><br />Sounds like a whole lot of misfortune happened on that movie set!<br /><br />
