Roof
From Tardis Wiki, the free Doctor Who reference
The Eleventh Doctor referred to a Dalek without a gunstick as a tricycle with a roof. (TV: Asylum of the Daleks [+]Loading...["Asylum of the Daleks (TV story)"])
The Eleventh Doctor, later, wanted to express his gratitude towards a group of humans for saving him by singing his thank-yous from the roof tops. (PROSE: Hello! [+]Loading...["Hello! (short story)"])
Behind the scenes
In non-valid sources
The roof of Fish Stick on a Stick was decorated with depictions of fish sticks on sticks.
The Tenth Doctor, with Rose Tyler, once accidentally crashed the TARDIS through the roof of the Mystery Shack. (TV: Untitled [+]Loading...["Untitled (Disney XD TV story)"])