Emmanuelle Vaugier

Lorelei Martins returns, determined to find out if Red John had a role in her sister's death, and Jane is forced to confess to Lisbon his part in Lorelei's prison escape.

Mia's return finds Charlie questioning how devoted he is to Chelsea. Meanwhile, Alan tries to write a screenplay and the guys rush a labouring Judith to the hospital.

Charlie and Mia start making their wedding arrangements, however, things begin to fall apart when their two families meet. Eventually they decide on a small ceremony in Las Vegas.

Mia comes back to town with her dance troupe and invites Charlie to her performance. When they meet, Mia explains she wants some of Charlie's sperm to which Charlie responds by asking Mia for something in return.

After saying goodbye to the late Charlie Harper, Alan meets Walden Schmidt (Ashton Kutcher), a broken-hearted billionaire.

Charlie must make a difficult decision about his future as to which woman he wants to spend his life with, Chelsea or Mia. Meanwhile, Charlie also grows wary that Melissa has slowly moved into the house.