She is the co-writer of The Katering Show, where she plays an intolerable foodie alongside her food intolerant mate, Kate McCartney. The show launched on YouTube in 2015 and hit over 2 million views in its first week online. In 2016, a fresh new season of the hit series premiered on ABC iView. To date, the series is iView’s most-viewed original series, has had over 9 million views on YouTube and the channel has over 100,000 subscribers. The pair have also written a short-form narrative comedy called Bleak, which originally launched on YouTube before it was made into a TV pilot for ABC’s Comedy Showroom in 2016.

In 2017, having conquered the world of satirical cooking shows, the Kates set their sights on the chirpy world of morning TV with their signature brand of social awkwardness and unprofessionalism in their full-length series titled Get Krack!n, which aired on the ABC. The second and final season of Get Krack!n aired to much critical acclaim in 2019.

Kate’s TV appearances include It’s A Date, Comedy Up Late, Winners & Losers, House Husbands, SlideShow, Offspring, Ricketts Lane and The Project. Most recently, Kate appeared in Aunty Donna’s Glennridge Secondary College. Her voice features in the animations 1001 Nights, Dogstar, The Flamin' Thongs, Wakkaville and Exchange Student Zero.

Kate has performed at numerous Melbourne International Comedy Festivals and performed stand-up comedy throughout Australia, the UK, US, Hong Kong and Singapore. Kate also toured India with MICF where she hosted the Roadshow and RAW Comedy competitions.

Both Kate McCartney and Kate McLennan won a 2018 AWGIE award for an episode of Get Krackin and received an AWGIE for The Katering Show in 2015. The second season of The Katering Show was nominated for an AACTA award in 2016. The Katering Show won Best Short-Form Digital Series and tied for a Best of the Fest award at the New York Television Festival in 2015.

In 2021 the Kates launched Slushy, an 8 part audio series for Audible Originals. An ordinary workplace comedy set in the most extraordinary place on earth – a research station in Antarctica.

Their feminist noir crime comedy series Deadloch, commissioned by Amazon Prime Video, will air in 2023.