Because 30 minutes or less simply isn’t fast enough. From a Brewster Rockit comic from a year ago that I’ve only just caught up with:
Click over to Brewster Rockit for the punchline panel. More about the strip and cartoonist Tim Rickard at the Brewster Rockit Facebook page.
Thanks to Dan for the heads-up, who voices what we’re all thinking:
No idea why the Tardis is red.
(If you stumble across a cool Doctor Who thing, feel free to email me with a link.)