Build a movie plot around this: Why did Peter get kicked off the plane? They misuses the words "terrorist" and "bomb"
A:
High-strung architect Peter Highman (Robert Downey Jr.) is flying home to Los Angeles for the birth of his first child. Due to some Apatow-esque farcical events (which all seem to stem from child-like aspiring actor Ethan Tremblay (Zack Galifianakis), Peter ends up being shot by an air marshal and put on a no-fly list. As luck would have it, rescue comes in the form of Tremblay, who offers Peter a lift to LA, as Ethan himself is travelling to Hollywood to try his luck at becoming a "real actor".Straight away the two men's diametrically opposed personalities clash, and we discover that Ethan has a second motive for his travels: to scatter his recently deceased father's ashes. It is clear instantly that Highman has no patience for Tremblay, and this is not helped by the fact that Ethan decides to make a pitstop at the home of the nearest pot dealer, whom Tremblay "found on craigslist - she's very legitimate".The situation only deteriorates when the pair discover that they have $60 left, and to add insult to injury, Ethan spent $200 on weed. Peter decides to have money wired through to Ethan's account (his wallet, along with the rest of his luggage, were left on the plane), however when they set up the transaction, Ethan uses his stage name (Tremblay), yet only has ID showing his real surname, Chase. When the obnoxious cashier (Danny McBride), who just happens to be a "handi-capable", wheel-chair-ridden vet, decides to take matters into his own hands, and attacks Peter with what looks like a police truncheon, the situation spins out of control.When Ethan's attempts to prove himself a "real actor" by enacting scenes on request from Peter, end up exposing a more sensitive, human side to him, Peter appears to warm to Ethan. This doesn't last long, however, as Ethan's method of getting to sleep (masturbation) reminds Peter why he was so irritated by him in the first place. In the morning, as Ethan gets out of the car at a service station, Peter dumps Ethan's luggage and his pet dog Sonny out into the street before...