It's not quite as normal though: time is running backwards. After the Big Bang the universe expanded, but they've gone so far into the future that the Big Crunch has now happened, the universe is ...

went to a backwards version of Earth, travelled in time, met Hitler, married a GELF (against his will) and, most amazingly, he once tasted an edible Pot Noodle. Cat evolved from Lister's pet cat ...