Fireman SamSeries 4Twist of FateCBeebies Duration: 10 minutesFirst broadcast: Sun 1st Apr 2007, 10:00 on CBeebiesLatest broadcast: Mon 26th Nov 2007, 08:00 on CBeebiesAvailable for yearsWatch nowOfficer Steele takes Norman and Mandy pot-holing in Big cave.ContributorsDirector:Timon DowdeswellWriter:Robin LyonsWriter:Andrew OffilerGenresChildren'sEntertainment & ComedyFormatsAnimationBrandFireman SamSeriesFireman Sam: Series 4 Source: BBC Online