She has a long career in television working on such shows as Heroes of our Time (1988), Walking Through a Minefield (1998), Losing Layla (2000), The Man Who Stole my Mother’s Face (2004) (which won Best Documentary at the IF awards and the Tribeca Film Festival in 2004), and I Told You I Was Ill (2005), about comedian Spike Milligan.
Henkel formed her production company, Virgo Productions in Brisbane, which produced the award-winning documentary The Burning Season (2008), which she also wrote and produced. The Burning Season screened at the Canada International Film Festival and received the Rising Star Award 2010, an IF award in 2008 , and was nominated for a Gold Panda and an Emmy Award for Outstanding Documentary on a Business Topic. Her 2011 online documentary Rise of the Eco-Warriors used cutting edge crowdsourcing to fund the project and make it available on the internet.
- 2014 Rise of the EcoWarriors (Documentary)Director/Producer/Writer
- 2012 Show Me the Magic (Documentary)Director/Producer
- 2008 The Burning Season (Documentary)Director/Producer/Writer
- 2008 Wide Angle (TV Series documentary) (1 episode) – Burning Season (2008)Director/Producer/Writer
- 2005 I Told You I Was Ill: The Life and Legacy of Spike Milligan (Documentary)Director
- 2003 The Man Who Stole My Mother’s Face (TV Movie documentary) Producer
- 2001 Losing Layla (Documentary) Producer
- 2003 S(truth) (TV Series) (writer) Hide Editor (1 credit)