It may seem to you that all stories in this wiki take place in the same continuity- they don't. Here is a list of the earth's in the Thomas the Tank Engine multiverse
Earth 1- The normal earth. The Thomas the Tank Engine series takes place here.
Earth 2- The Jokester's version of the Thomas the tank engine world. It is only slightly altered from the real Thomas world.
Earth 3- The New Adventure's of Fatty's Engines takes place here.
Earth 4- Thomas and Friends the Magical Railroad Adventures takes place here.