Bullfrog Films presents ; a Big World Cinema production for TVE and BBC Worldwide ; Television Trust for the Environment ; executive producer, Jenny Richards ; series producer, Luke Gawin ; series editor, Robert Lamb ; producers, Steven Markovitz, Toni Strasburg ; directed by Toni Strasburg
Bullfrog Films presents ; Atlas Films presents ; executive producers, Michael Walrath, Michelle Walrath ; produced by Sarah Gibson, Stephanie Soechtig ; co-produced by Jessie Deeter, Ellen Mai ; written by Josh David, Jason Lindsey, Stephanie Soechtig ; co-directed by Jason Lindsey ; directed by Stephanie Soechtig