written by Georgina Andrews and Kate Knighton by Georgina Andrews and Kate Knighton Georgina Andrews and Kate Knighton written by Chris Hadfield and Kate Fillion written by Sarah Barrell and Kate Simon written by George Miller and Katharine Reeve written by Jenna Bans and Kevin Murphy written by Judith Koppens and Andy Engel written by Ken Schmidt and Michael Knight written by Meredith Rusu and Marilyn Easton