As teenagers Debbie and Sue grow wilder in the second series of Puberty Blues, actress Claudia Karvan hopes the characters get a chance to develop even further.
The award-winning actress says it would be an injustice if the Aussie drama series is not commissioned for a third season.
Puberty Blues, which is based on the book of the same name and set in the 70s, was a hit for Network Ten in 2012.
It reintroduced Chiko Rolls and the word "moll" to a new generation of Aussies.
The second season was filmed last year and was meant to air in 2013 but Ten held the series back and it will return on Wednesday, March 5.
Set in the summer of 1979, Karvan says the story now moves away from the book and starts to chart a dramatic course of its own.
And she reckons it's at least twice as good as the first season.
"I don't know if Puberty Blues three will happen but I hope it does because I think it's an excellent show," Karvan told AAP.
"I think the second series will be two-fold what the first one (did).
"They (writers) take a leap in their imaginative story telling because they have moved away from the book and it's really dramatic.
"It's going to be a landmark series for Australian drama."
Karvan says the direction of the series takes a life of its own because the storyline is not gathered from the pages of the book.
The two main characters, teenagers Debbie Vickers (Ashleigh Cummings) and Sue Knight (Brenna Harding) grow wilder and their parents have to deal with the pressure of wayward teenagers plus their own marital problems.
Karvan says producers Imogen Banks and John Edwards, who, among their long list of credits, are responsible for Offspring, have used their imaginative licence to the extreme.
"There's always a nervousness after the first one (series) because you wonder where they can take it and what can they do with the characters," Karvan said.
"John Edwards, Imogen Banks and high quality writers, they haven't backed off.
"Every single character gets a brilliant ride - funny and sad."
Karvan is currently making a second season of The Time Of Our Lives and will then start working on the Nine Network's two-part mini series Gina as an executive producer.
* Puberty Blues returns on Wednesday, March 5, at 8.30pm on Network Ten.
