Season 2: Episode 2

"Twitter"
After a morning dealing with Grace's escalating anxiety, Jackie helps a struggling family speed along a test to diagnose a little boy's cystic fibrosis. But cutting through the red tapes leads to sending the patient home with wrong information. Coop lays into her for giving a family false hope. O'Hara, mourning her mother's death, shows up at work after a night of clubbing and taking Ecstacy. Jackie covers for her at work while she comes down. Meanwhile, Eddie shows up at the bar and, unbeknownst to Jackie, continues his friendship with Kevin.

Cast
Edie Falco as JACKIE PEYTON
Eve Best as DR. ELEANOR O'HARA
Merritt Wever as ZOEY BARKOW
Paul Schulze as EDDIE WALZER
Dominic Fumusa as KEITH PEYTON
Peter Facinelli as DR. FITCH COOPER
Arjun Gupta as SAM
Anna Deavere Smith as GLORIA AKALITUS
Hazz Sleiman as MOHAMMED 'MO-MO' DE LA CRUZ

Directed by: Craig Zisk
Written by: Mark Hudis