Season 01, Episode 07 "Kodachrome"
Dr. Bickman and Dr. Black azttempt to remove a bullet from a Pulitzer Prize-winning journalist without using any up to date technology.
Season 01, Episode 08 "Free Will"
After Dr. Hartramph refers a patient to The Cube when he complains he is suffering with headaches and hearing voices, his hallucinations cause him to lash out.
Season 01, Episode 09 "Sing Like Me"
Dr.Black begins work on a music study where her patients range from a popular music competition winner that has lost her ability to recognize music pitch, to a man that has developed Acquired Savant Syndrome after being struck by lightning. Elsewhere, a street musician suffering from tremors requires Catherine to turn to an unlikely source for help in getting him the treatment he needs. Catherine realizes her feelings for Dr. Bickman might be mutual though he makes her a proposal that shocks her
Season 01, Episode 10 "I Shall Be Released"
A patient who thinks he's dead is admitted by Dr. Morely. Meanwhile, a mom fears her daughter has meningitis; Esme begins working at Will's restaurant; and Catherine reveals a secret to Will, but it's not what he was expecting to hear.
Season 01, Episode 11 "Emotion"
Dr. Bickman rushes his doorman to The Cube after he sees him collapse from a buried aneurysm. With a second bleed imminent, he makes a choice to perform an alternative procedure to repair it. After revealing a difficult diagnosis to a young mother, Catherine finds herself sinking into a deep sadness. In her desperation, she misleads a nurse into supplying her with oxycodone. Catherine turns to her brother for help, though he begins to wonder if he's become an enabler. Catherine reveals to Will that their relationship is over.
Season 01, Episode 12-13 "The Fear & Consequences"
Catherine is experiencing hallucinations and refuses Dr. Hartramph's urging to be admitted into a hospital. Her behavior is becoming increasingly manic and it isn't long before Mahmoud begins to piece together what she's seeing. Meanwhile, Bickman is reluctant to go back into the operating room after Joey's botched surgery. Catherine encourages Bickman to see Lina so that she can re-wire his brain. A woman confronts a knife-wielding man on the street and the team wonders if it's really a display of bravery or if she has an absence of fear.
After undergoing treatment in rehab, Catherine returns to face the fallout at home and at The Cube. While trying to get her life back on track, Esme's biological father arrives and is in desperate need of a transplant. Catherine is faced with the difficult decision of having to reveal the truth to Esme about who her real parents are. Owen is agreeable to having Catherine back at work, though it isn't without strict parameters, making it a challenge for Catherine to earn her credibility back.