The work in Formula E to make one race happen is a challenging one, so six races in nine days for the Season Six Finale in Berlin has created an incredibly complex situation for everyone involved in the paddock - and beyond. Hear from Antonio Felix da Costa, Lucas di Grassi, Sam Bird, Mitch Evans and Stoffel Vandoorne on how the heat and other factors have affected their Berlin experiences, while we also hear from the mechanics who are working night and day to produce the ultimate in race performance for their teams.