Columbus, OH is hosting the premieres of a Japanese instant cult classic, Big Man Japan, a mockumentary about a giant middle-aged man who fights monsters, and a documentary about the space age, Sputnik Mania. It's all part of the 25th annual science fiction marathon this Saturday, with 24 hours of nonstop science fiction movies. Other movies include the original Battlestar Galactica pilot, the Indonesian ripoff Lady Terminator, Andromeda Strain, Pitch Black, 1984 and The Day The Earth Stood Still. [SciFiMarathon, via Film School Rejects]