S9·E1 Chaos Theory
Core
Aired September 26, 2002 45 min ★ 8.1/10 · 9 TMDB votes
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Synopsis
Dr. Carter, Abby and other staff of the ER are quarantined as the CDC investigate a mysterious, deadly outbreak.
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Director & writers
Guest stars
Troy EvansFrank Martin John AylwardDonald Anspaugh Diane DelanoDelores Perry AnzilottiPerry Jillie Mack Deezer DMalik McGrath Laura CerónChuny Marquez Judy ParfittIsabelle Corday Demetrius NavarroMorales Lily MariyeLily Jarvik Montae RussellDwight Zadro Michael MuhneyColin Prentice Allen BloomfieldMarty Michael YamaEpidemiologist Charles MartinizEddy Miranda KwokKristen Shoop
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Frequently Asked Questions
When did Season 9 Episode 1 of ER air?
Season 9, Episode 1 ('Chaos Theory') originally aired on September 26, 2002.
How long is Season 9 Episode 1 ('Chaos Theory')?
The runtime for this episode is approximately 45 minutes.
What happens in ER Season 9 Episode 1?
Dr. Carter, Abby and other staff of the ER are quarantined as the CDC investigate a mysterious, deadly outbreak....
All ER episode ratings Season 9 Where to watch
Top-rated ER episodes
- S2E7 · Hell and High Water ★ 9.0
- S8E21 · On the Beach ★ 8.8
- S2E16 · The Healers ★ 8.8
- S10E8 · Freefall ★ 8.8
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