Well, then, JB should pitch an idea to BBC for a spin-off where Jack has adventures in space (and maybe resurrects a certain Ninja Teaboy because, afer all, he was in LOVE!).

Hope that I'm not out of line jumping in here but..oooh, yes. Set it a few hundred (or thousand) years into the future to allow for JB's human aging properties(!) and then - GENETIC MULTIPLICITY! Here comes David/Mica's descendent...