it did not seem to be exactly the right moment to explain that : 1 ) the trip between dimensions had somehow caused princess cleopatra to become prison computer warder cleo again and 2 ) alaric had been present on the previous visit to earth but he had now lost his memory and 3 ) that alaric himself had dropped one of the stuff it cards while the second had been left on the floor of a train where it had been found by colonel viljoen .