The newspaper claims that "persistent chatter" indicates a new project is in development, although it is unclear whether the comeback will be for a full series or a one-off special.
Magda Szubanski, who plays unlucky-in-love Sharon Strzelecki, confirmed that she had recently met with creators/stars Gina Riley and Jane Turner. "My lips are sealed," she said. "I can't tell you. I can't say anything."
The fourth series of Kath & Kim aired in late 2007 after switching from the ABC to Seven.