FORREST GUMP's Gary Sinise is a scientist developing a bomb to eradicate alien invaders, who has the tables turned on him when he is accused of being a robotic assassin sent to blow up Earth's warmongering leader. Originally planned as a half hour short but expanded to feature length, can IMPOSTOR fool our Now Playing critics with its newly added storylines or will they cut its ambitions down to size? Listen in and find out!