<P> It is revealed that his daughter Maya is pregnant . Sam deals with this much better than Naomi, even supporting the marriage between Maya and Dink (the father), though he is certainly not pleased with the circumstances . After Maya and Dell get into a car accident, Addison operates on her to try and save her and her unborn child . The operation is successful and Maya gives birth to Sam's newborn granddaughter Olivia . </P> <P> Sam and Addison finally get together in the season 3 finale . </P> <P> During the season 4 opener Sam and Addison's relationship seem to have not work out, but at the end of the episode they are sharing a bathtub, showing that they are a couple indeed . In the second episode they debate over whether or not they want to go public with their newfound romance, mainly because of Naomi and how she would react . Sam urges Addison to tell Naomi about them, which she does, and she doesn't take the news well . But Naomi tries to deal with the fact that her best friend and ex-husband are together and maintained a friendship with Addison . Addison and Sam's relationship, which Addison dubbed "AddiSam" is shown to be a healthy and steady relationship, as Addison says that Sam is the perfect guy "with no flaws". Although Addison wants to have children, Sam tells her he's not ready to have more children, as he wants to take time in their romance . Addison's mother Bizzy returns seeking Addison's help in treating her partner Susan, ill with a tumor . After Addison and Dr. Rodriguez seem to have cured her cancer, Addison plans Bizzy and Susan's wedding . After Naomi spots Dr. Rodriguez flirting with Addison, she tells Addison that her and Sam's relationship is becoming serious and real, and that's when Addison usually screws up . Addison assures Naomi that she doesn't want to ruin it with Sam . Out of panic, she proposes to Sam . He talks to Amelia, telling her that although he didn't want to rule out marriage, it was too early in the relationship, and he knew it didn't feel right . </P> <P> Shawna Malcom of the Los Angeles Times deemed Sam and Bailey her favourite pairing of the Grey's Anatomy and Private Practice crossover, praising: "The grief he gave her about becoming a pediatric surgeon...the grief she gave him for letting ex-wife Naomi go and wind up in the arms of Archer...the fist bump . I say again, the fist bump! Together, Chandra Wilson and Taye Diggs are hilarious and touching and all sorts of fabulous . Here's hoping this isn't the last we ever see of this unexpectedly dynamic duo ." The character was listed in Wetpaint's "10 Hottest Male Doctors on TV" and in BuzzFeed's "16 Hottest Doctors On Television". </P>

When does naomi find out about addison and sam