Duration: 44m

TV-14 7.7 Drama

ER S4E17

Dr. Morgenstern returns, bringing new perspectives that cause friction with Weaver. Elizabeth’s study on artificial blood raises eyebrows.

Release Date: April 9, 1998 (USA)

Creator: Michael Crichton

Cast: Laura Innes, Noah Wyle, Maura Tierney, Goran Višnjić, Anthony Edwards, Yvette Freeman, Laura Cerón,Deezer D, Eriq La Salle