Theory:SJA television discontinuity and plot holes/Eye of the Gorgon


 * Sarah and the gang don't think to save the other victims of the gorgon, even though the talisman is insinuated to be capable of it
 * But there is a time limit to saving Alan from the statue, about ninety minutes. Most of the statues have probably been there for years. It may have crossed Sarah's mind, but she would surely decide straight away that it would be a useless venture.