13. ...But Twice! It Almost Got Axed AGAIN In 2009
Oh no they didn't! It's safe to say that David Tennant heralded the series into new levels of uncharted success during his critically and fan lauded tenure in the TARDIS, so much so that the BBC convinced themselves that the show wouldn't be able to last 5 minutes without him. As such, the Tenth Doctor's demise in
The End of Time almost led to the demise of the show itself, too, as TV execs planned to pull the plug on the show to save themselves the embarrassment of having to maintain its success without the trusted helm of Tennant. Luckily, they didn't. And who's laughing now!?