To avoid falling into Event One (the Big Bang), the Doctor must convert mass into momentum by having the TARDIS jettison a quarter of itself. Unfortunately it can not be known which rooms will be ejected.
Did You Know?
The shot used in this story of the town of Castrovalva sitting on a cliffside, and the name of the settlement, was inspired by a print by M.C. Escher
. Later in the serial, the collapsing world of Castrovalva takes on a distorted appearance, reminiscent of Escher's surrealist work. See more
[the Doctor looks through vials of medicine, reading each label
[He picks up another vial
"The Solution." Oh, my little friend, if only you were.