Only Murders in the Building 1x6 To Protect and Serve Season 1 Season 1 10 Episodes 1x1 - True Crime 1x2 - Who Is Tim Kono? 1x3 - How Well Do You Know Your Neighbors? 1x4 - The Sting 1x5 - Twist 1x6 - To Protect and Serve 1x7 - The Boy from 6B 1x8 - Fan Fiction 1x9 - Double Time 1x10 - Open and Shut Mabel brings her new friends (and an old one) to her childhood home to meet her mother. Meanwhile, Detective Williams starts to have her own doubts about the case as she prepares for motherhood.