04/24/2012 at 04:00 PM EDT
As the May 13 series finale
of Desperate Housewives
nears, Teri Hatcher
says it is finally starting to sink in.
"Every day it gets to be a little more real," Hatcher, 47, recently told PEOPLE at the Wisteria Lane Block Party benefiting the Cystic Fibrosis Foundation at Universal Studios in L.A.
"We've had a lot of time to process it, so it's not a shock. But I think you just can't really know what it's going to feel like until it's over."
The good news, Hatcher reveals, is her character Susan Mayer, along with the other personae on ABC's hit show will be done justice in the final episode.
"I feel like [the finale] does a pretty good job at honoring all the different characters and their sort of unique wheelhouses that they brought ... to Desperate Housewives
," she explains.
"Whether it be comedy or drama or physical comedy, I feel like the stories make sense. I think it will be better than some other big finales."
Although some of the stars on the show had reported drama
over its eight seasons on the air, the relationship between Hatcher and her small-screen daughter, played by Andrea Bowen, is totally solid.
"I say a lot about her and I mean this so much – my [real-life] daughter could not have a better role model than Andrea," Hatcher says. "She doesn't have a big sister and Andrea will be the big sister."
As Bowen agrees, Hatcher goes on to say the young actress will be there "for all the big
conversations" for her daughter Emerson Rose, 14.
"[Andrea] is just beautiful and talented and totally sane and grounded and fabulous," Hatcher continues to gush. "I really had the best [on-camera] kids – her and Mason Vale. I had the best kids to work with."