During what period was it made?
Which year was it that Dragon Ball series came?
Have you heard in what year Dragon Ball was developed?
Dragon Ball series was released at what time exactly?
What year was it it when Dragon Ball was created?
The development of Dragon Ball series took place when it was manufactured.
In the year of its origin, Dragon Ball came about.
The year in question is the one in which Dragon Ball came into being.
The specific time in history when Dragon Ball came about has drawn much attention.
Which particular year marks the creation of Dragon Ball series?