7. The Doctor And The Master Were Originally Secret Brothers
"No, Doctor. I
AM your brother!" Or words to that effect, anyway. What do you mean that's the wrong franchise?! The Doctor's ongoing feud with the Master is one of the oldest rivalries in TV history and it would've been made a
lot more personal if the writers had gone through with their initial plan to make the two enemy Time Lords brothers from the same mother. In the Fifth Doctor 1984 serial
Planet of Fire, the renegade Time Lord, as then portrayed by Anthony Ainley, originally asked his arch nemesis, "How could you do this to your own... brother?", but the line was ultimately cut when the writers got cold feet at the last minute. It's probably for the best, really, since a revelation of such epic proportions would've ripped the entire stratosphere of the
Doctor Who fandom apart. What next? Davros is the Doctor's biological father?! Well, stranger things have happened...