The Read Through is the twentieth episode of Smash's second season and overall. It is set to premiere on February 26th, 2013.
- On August 27, 2012, Katherine McPhee that they had a table read for episode 5.
- This episode introduces a new Bombshell number with Karen as Marilyn.
- There will be a scene with Karen, Jimmy, Ana, and Kyle at a casual outing by the river.
- Debra Messing as Julia Houston
- Anjelica Huston as Eileen Rand
- Katharine McPhee as Karen Cartwright
- Christian Borle as Tom Leavitt
- Jack Davenport as Derek Wills
- Megan Hilty as Ivy Lynn
- Leslie Odom Jr. as Sam Strickland
- Krysta Rodriguez as Ana
- Jeremy Jordan as Jimmy Collins
- Andy Mientus as Kyle Bishop