The Train in the Vary Dimension (異次元列車 I jigen Ressha) is a sentient vehicle that appeared in the TV series, Ultra Q. It only appeared in the series finale, episode 28.
The Train in the Vary Dimension was a vehicle of unknown origin that could fly through the air and transport passengers to a place know as the "Vary Dimension," a dimension that was stated by the writer, Kenji Tomono, to be a land that was free from the hardships and hassles of everyday life. While such a task and opporitunity seemed like a dream come true to its passengers, those who came back to society by it paid the price of insanity, longing to travel on the Train back to that dimension, only to be tragically denied. It is unknown who actually built the interdimensional vehicle, but it can be assumed that it was one of the Vary Dimension's inhabitants.
- The Train in the Vary Dimension is modeled after an Odakyu 3100 Electric Train.
- The concept of a flying train would be reused for the DenLiner in the 2007-2008 Toei tokusatsu series Kamen Rider Den-O.
- The Train in the Vary Dimension takes a plot centric part of the OVA, Ultraman Graffiti, being the kaiju, aliens, and Ultras' transportation to work.
It was later revealed that The Train in the Vary Dimension was created by Alien Bam to abduct humans and bring them into the Vary Dimension. There, the trapped humans were enslaved into building Mechagiras so that the Alien Bam could invade Earth. What happened to The Train in the Vary Dimension afterward is unknown.
- Anti-Gravity Flight: The Train is capable of flying through mid-air. Its usual mode of transportation.