Like the Mr. Conductor's Adventures Movies and all the Mr. Conductor's Adventures Series, Mr. Conductor Meets The Powerpuff Girls is a crossover series with Mr. Conductor in the Powerpuff Girls series. Each 11 minute episode will have one Thomas story while each half-hour episode will have two Thomas stories. Only Thomas stories from Seasons 1-7 can be used. No stories from Season 8-present allowed.