https://en.wikipedia.org/wiki/Dragon_Ball_GT:_A_Hero%27s_Legacy
One hundred years after the end of Dragon Ball GT, Pan is the only surviving member of the Z Fighters. She takes care of and trains Goku Jr., her one and only grandchild. It is unknown who his parents were nor what happened to them.
So There For Even Thou I have Watched Every Single Episode at least 4 times,i have to say it will never return.There are no Z fighters Left at all.
Only way i feel it could return is...
Goku Jr Age 12 at the time of a alien attack on earth trys hard but fails to protect the planet and is forced to retreat.As he stays in hiding for the time be he thinks of ways that he could maybe save the earth.
It comes to him what if he was to collect the dragonballs and ask to have all of the Z fighters Brought back to life But then as he says his plan a voice comes to him that he hears.It is Son Goku The one and only.He Tells Goku Jr That The earth dragonballs can only wish back one person and one person only at a time enless they all died to a fate of one person.
Also the earth dragonballs can not revive someone who has been revived before.Son goku Then tells Goku Jr Only The namik dragonballs can revive people more than once.One issue thou...he could still only wish back 3 of the z fighters back to life & even if he did we have all died of normal causes such as age so if we was brought back to life we would only die again.
Goku Jr ask why.Son Goku says Due to the fact we are revived to the state in which we died.Since we died of normal causes we would be revived seconds before we died of age.
Goku Jr states then we could always wish you back to life but make sure we ask that you are brought back as a younger age.Son Goku says that might just work.
Now the only issue with my thought in this is if none of the z fighters are left that would count as bulma and capsle corp would be finished also meaning no way to get to namic prob.
Next issue would be even if Goku jr got to namiks would the namiks Trust him due to the fact that if its been so long it is not the same namiks that knew the z fighters which means they would not know of Goku Jr's family or how they helped them out ENLESS the story has been passed down for many years and ages.
After me thinking and typing all of this in a spare moment i think i could of maybe started my own dragonball series if i could learn how to spell a little better and learn just a bit more history on dragonball...After all i did once sit up for 5 days no sleep and watch all Dragonball,dragonball z & dragonball Gt Episodes & The movies online.
Well & if they did not have a copy right on it and all that crap.