This aspect became embedded in the public consciousness despite not often being repeated, and was recognised by producers of the show as a plot obstacle for when the show finally had to regenerate the Doctor a thirteenth time.
Denne replik satte sig fast i offentlighedens bevidsthed selvom den ikke blev gentaget, og blev anset af producere af showet som en plot forhindring til når showet endelig blev nødt til at regenerere Doktoren for trettende gang.