James Franco and brother Dave Franco reveal their funniest moments from making The Disaster Artist and when to look out for Zac Efron in their new movie!

Subscribe to MTV for more great videos and exclusives!    / @mtvuk  

Get social with MTV @
💋 Twitter:   / mtvuk  
🍺 Instagram:   / mtvuk  
💅 Tumblr:   / mtvuk  
🍿 Facebook:   / mtvuk  
🎷 Official: http://www.mtv.co.uk