Mario Orozco

Gang on gang violence escalates and may be brought on by an ex-Army sniper.

When Ava (Maya Rudolph) and Kevin (guest star Jason Lee) have an epic blow-out, Reagan (Christina Applegate) and Chris (Will Arnett) find themselves wistful for relationship drama and unintentionally end up creating some of their own. Jennifer Hall also stars.

When a hijacked medevac helicopter with CSI Brody aboard goes missing, the entire team is on hunt. (TV-14)

Residency Director Dr. Leanne Rorish (Marcia Gay Harden) puts her four new first year residents to work immediately on their first day at Angels Memorial Hospital, in the busiest, most notorious hospital ER in the nation.