Question: how long would it take to watch all doctor who?
Answer: The total amout of time for watching all 36 seasons of the show, (Old and new) is 28 days 18 hours and 5 minutes. If you add on Torchwood it totals up to 30 days 3 hours and 27 minutes. And if you watch ALL of Doctor Who, Torchwood and The Sarah Jane Adventures, the total is 31 days 4 hours and 20 minutes.