Gloria Hunniford, Angela Rippon and Julia Somerville investigate problems viewers have had with flights, meeting families furious that even after paying for guaranteed seats together, that's not what they got when they arrived at the plane. So what are the rules on how families are supposed to be seated? Also in this episode is a look at the vital travel documents you may not know you need - but which you won't get anywhere without, and a woman makes a last-ditch attempt to cure her fear of flying. But will it work? And travel expert Simon Calder chooses once-in-a-lifetime trip if money weren't an issue.