What does 'TARDIS' stand for on Doctor Who? And how come its interior is always changing while its exterior remains the same? Never fear; we have the answers.

The time-traveling box in "Doctor Who," called the TARDIS, is easily the coolest part ... by its unassuming appearance (it looks like a blue police box from the 1960s) and that it's much bigger ...

The Doctor's dimensionally transcendental Time/Space machine, cunningly disguised as a Police Public Call Box. The trip of a lifetime is guaranteed with every journey! Everything about the latest ...