He subsequently travels with the Doctor and Rose in the Doctor 's time traveling spacecraft , the TARDIS .
After the Doctor cures the plague , Jack redeems himself by taking an unexploded bomb into his ship ; the Doctor and Rose rescue him moments before it explodes .
Jack subsequently travels with the Doctor and Rose in the Doctor 's time traveling spacecraft , the TARDIS .
After the Doctor cures the plague , Jack redeems himself by taking an unexploded bomb into his ship ; the Doctor and Rose rescue him moments before it explodes .