: A new admirer offers Addison a tempting proposition, but she remains focused on her desire to have a baby. By the end of the episode, she tells Sam she intends to have a child on her own.
: In the final moments, Pete collapses in pain from a heart attack while cleaning up the living room as his young son, Lucas, watches. Main Cast Kate Walsh as Addison Montgomery Tay Diggs as Sam Bennett Audra McDonald as Naomi Bennett KaDee Strickland as Charlotte King Paul Adelstein as Cooper Freedman Tim Daly as Pete Wilder To Change the Things I Can - IMDb [S4E22] ...to Change The Things I Can
"" is the 22nd episode and Season 4 finale of the medical drama Private Practice . The title is taken from the Serenity Prayer . Episode Overview Original Air Date : May 19, 2011. : A new admirer offers Addison a tempting
: Facing internal collapse, Addison suggests dissolving the current practice to open a new one that she will fund, potentially saving their professional collective. Main Cast Kate Walsh as Addison Montgomery Tay
: Charlotte treats a patient whose trauma mirrors her own past experience, while Cooper deals with a heartbreaking case involving a young girl in a vegetative state whose father asks for help ending her suffering.