Complex sentence: Chau and Avard then wrote, performed and produced comedy variety shows for the Melbourne Fringe Festival, Melbourne International Comedy Festival and Channel 31 where they were responsible for the station's first ever nightly live television program, "Darren and Brose".
Split into simpler sentences: Chau and Avard then wrote, performed and produced comedy variety shows at the Melbourne Fringe Festival and Melbourne International Comedy Festival. They then came across Channel 31 where they were responsible for the station's first ever nightly live television program, "Darren and Brose".