Mike, Kevin and Bill were joined on stage by their MST3K colleagues at the State Theatre in Minneapolis to bring it back to their roots in an MST3K cast reunion the likes of which have never been seen before! Joining the guys are their old cohorts Frank Conniff (TV's Frank), Trace Beaulieu (Crow, Dr. Forrestor), Mary Jo Pehl (Pearl Forrester), Bridget Nelson (Nuveena, Mr. B), as well as Mystery Science Theater 3000 creator Joel Hodgson, AND the host of the revived MST, Jonah Ray, for a hilarious night of riffing for RiffTrax's 20th Live event. Taking turns in various permutations to riff on a slew of old-timey shorts, the show culminates in a Super Riff-A-Palooza finale with all nine riffers on stage at once!

身着一身白西装的戴夫（艾迪·墨菲 Eddie Murphy 饰）看起来是个彬彬有礼的中年人，虽然身处现代纽约的他总显得和这个年代、这个大都市格格不入，但谁能想到，这个看起来非常真实的“人”其实是一架人形飞船，身体里住着许多四分之一英寸高的外星小人，他们来到地球，想寻求解救自己星球的方法，不料却先在让飞船适应地球生活上经受了极大的考验，惹了一堆麻烦之后，谁想到飞船竟然自主爱上了一个美丽的地球女人吉娜（伊丽莎白·班克斯 Elizabeth Banks 饰），外星小人们偏轨的航线越来越难调正……