Pähkähullu keskiyö was released in the year 1980。Pähkähullu keskiyö is also called as Midnight Madness, Wahnsinnsjagd um Mitternacht, The Great All-Nighter, Nocne szalenstwo, Keskiyön mieletön ralli, Follia di mezzanotte。

Leon planned "The Great Allnighter" by picking college students to participate in his night long scavenger hunt. The five teams, each designated by colors white (nerds who hate green),green (meat machine who hate red), red (sorority sisters who hate green), yellow (good guys who play fair), and blue (cheaters who hate yellow) are given clues to solve, leading them to the next clue site hidden in the city. Michael J. Fox plays Scott,the younger brother,in his movie debut.

Pähkähullu keskiyö actors and actresses include Andy Tennant, David Naughton, Maggie Roswell, Sal Lopez。