At what time was it produced?
Which year was it that Dragon Ball came?
Have you heard when Dragon Ball series was it developed?
Dragon Ball came out during what period exactly?
What year was it it at what time Dragon Ball series was it created?
The production of Dragon Ball happened during the period when it was fabricated.
During the period of the origin, Dragon Ball series came about.
The year in question is the one in which Dragon Ball series came into being.
The specific time in history when Dragon Ball series came about has garnered much attention.
What specific year marks the birth of Dragon Ball?