The potential downsides to mucking about with the space-time continuum.

Lock, Stock and Two Smoking Barrels (1998)
Way to launch an acting career! Guy Ritchie spotted Statham when he was working as a model for French Connection (having already been a top diver; he represented Britain at the 1990 Commonwealth Games), and reckoned he’d be perfect for the role of a con artist. It may have been Statham’s real-life past as a street-corner perfume seller that clinched it. The film was huge, and the 31-year-old Brit was on the map.
The latest film top tens
Seeing their names in the history books will forever make us do a double take.
From Johnny Depp to Ryan Gosling, when actors swap trousers and shirts for blouses and skirts.
Many actors have sung or played instruments for real in the movies. But do they actually cut it as musos?
The most memorable examples of movie mogs outshining their human co-stars.
Reckon A-listers are a squeaky-clean bunch? Think again...
Some solid cinematic advice for when mother nature goes mental.
Brilliant movies mean brilliant set-pieces, and the past 12 months have delivered both.
From drama to documentary to DIY animation, these are the finest flicks of 2013.
Discover Time Out original video