Dragon Ball Z Special 2: The History of Trunks

Synopsis:

In a future that never was, Goku has passed away from an illness and all of the Z-fighters, with the exception of Gohan, met their end at the hands of the Androids 17 and 18. Years have passed since then and the Androids have turned everything into chaos. The now grown up Trunks and his master Gohan are the only ones left to fight this menace...