[written by Alex Frith ... [et al.] written by Alex Frith... [et al.] written by Alex Frith...[et al.] [written by Fiona Watt ... [et al.] written by Adam Bray ... [et al.] written by Alex Howard...[et al.] written by Jerry Smath ... [et al.] [written by Andrew Bain ... [et al.] written by Alex Frith [etc.] [written by Fiona Watt ... et al.]