"It’s called the TARDIS. It can travel anywhere in time and space. And it’s mine!”
Planet of the Spiders.
Jon Pertwee got to play with his cool toys and, reportedly, loved every minute of filming episode two’s prolonged chase sequence.
A TARDIS within a TARDIS.
The Time Monster - season 09 - 1972
Logopolis - season 18 - 1981
Space - Comic Relief Minisode - 2011