The 1986 line featured another significant change in that many, if not the majority, of the toys were conceived as futuristic vehicles and bore little resemblance to present-day machinery. This was due to changes in the movie and television series, which leaped ahead twenty years to the year 2005. Many have speculated that this change might have been what signaled the beginning of the end for the Transformers, as part of the novelty of the first lines was the realistic vehicles that turned into robots.