Thadeous (Danny McBride) is your typical second-born prince, a lazy incompetent boob with little interest in anything other than sex and getting high, who gets drafted to join a quest to rescue the princess bride (Zooey Deschanel) intended for his older brother Fabious (James Franco) from an evil wizard named Leezar (Justin Theroux) with a nefariously naughty plan for the fair maiden.

Your Highness, from the pen of McBride and under the command of Pineapple Express director David Gordon Green, professes a love of the tacky swords-and-sorcery epics of the past but in reality is far more entranced by its smoke rings, penis jokes and its potty mouth.

The humor is so broad and wide that there are times in which it feels like its not aiming for anything at all. Monty Python had a delirious brilliance and inspired lunacy. Mel Brooks had manic volleys of jokes and gags. McBride has, well, surrendered all to his little head and Your Highness feels like exactly what you would get from such an abdication of power and authority.

What small joy there is, beyond the cheap laughs that don’t string together into anything coherent, comes from watching Franco and Theroux pretend that this might have been a lost Shakespearean comedic text. They take it that seriously and very nearly make us believe it. If only we could have had some of whatever it was that they were smoking, then our highness might have made us slacker princes, too. Grade: D+