She is known in Australia for her work on television and web series such as The Katering Show, Get Krack!n, The Mansion, and Deadloch (2023).
[3] McLennan co-created the web series Bleak with Kate McCartney in 2010, which in won the Kit Denton Disfellowship for Courage and Excellence in Performance Writing at the 2011 AWGIE Awards, worth A$30,000.
[5][6] McLennan and McCartney formed their production company called Lead Balloon TV.
[1][6] In 2017, McLennan and McCartney collaborated on an ABC Television comedy called Get Krack!n, playing exaggerated versions of themselves as breakfast show TV hosts, which screened on ABC iview and in the U.S.[7][1] Get Krack!n ran for two seasons of eight episodes each, with the final episode going to air in April 2019, with Aboriginal actors and writers Miranda Tapsell and Nakkiah Lui given the stage to make strong statements about racism in Australia.
[8] In June 2023 an eight-part crime comedy McLennan worked on with McCartney entitled Deadloch and starring Kate Box premiered on Amazon Prime Video.