During what period was manufactured?
What year was it that Dragon Ball series made its debut?
Do you know when Dragon Ball series was produced?
Dragon Ball was released in what year exactly?
What year was it it at what time Dragon Ball was it made?
The production of Dragon Ball series occurred when it was manufactured.
At the time of its origin, Dragon Ball came about.
The year in question is the one in which Dragon Ball was.
The specific point in history when Dragon Ball came into existence has garnered much attention.
What particular year marks the birth of Dragon Ball series?