Kath & Kim premiered on 16 May 2002 and became one of ABC's highest-rated shows. When the show premiered on the Seven Network, it became the highest-rating episode in Australian television history, until the record was broken by Nine Network's Underbelly: A Tale of Two Cities on 9 February 2009. The fourth season of Kath & Kim debuted with a record-breaking 2.511 million viewers peaking at 2.731 million. In its second and third episodes viewers fell to 1.994 & 1.817 million, respectively; however, viewers then rebounded for its fourth and fifth episodes with ratings of 2.047 and 2.157 million, respectively. Strong ratings continued with viewers of 2.049 and 2.066 million for the sixth and seventh episodes. The eighth episode and show's finale rated 2.338 million giving the fourth season an average viewership of 2.122 million, making it the highest-rating TV season in Australia for 2007 and the highest-rating of all four seasons of the show.
