Galifianakis: 'Hangover 3' will have asylum twist

Zach Galifianakis believes the 'Hangover 3' will be set in a mental asylum.

The 41-year-old actor - who stars as Alan Garner in the first two Todd Phillips-directed films - has confirmed a third film is definitely in the works because he has been contacted about it and thinks he knows the storyline already.