[personlurking]

There's an entertaining Spanish film called La Habitación de Fermat (Fermat's Room) which deals with this.

"Four mathematicians who do not know each other are invited by a mysterious host on the pretext of resolving a great enigma. The room in which they find themselves turns out to be a shrinking room..."

Here's the trailer (w/ subs) https://www.youtube.com/watch?v=f8fS74Y-qBs