S3·E18 The Undertow
Synopsis
When an old friend returns to Newport, Ryan decides to help her, which causes problems for him and Sadie. When Summer and Seth run into another rough patch Taylor tries to help them out. Sandy has to deal with more problems with the Newport Group and Marissa must deal with being alone.
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Frequently Asked Questions
When did Season 3 Episode 18 of The O.C. air?
Season 3, Episode 18 ('The Undertow') originally aired on March 23, 2006.
How long is Season 3 Episode 18 ('The Undertow')?
The episode follows the standard broadcast runtime for The O.C..
What happens in The O.C. Season 3 Episode 18?
When an old friend returns to Newport, Ryan decides to help her, which causes problems for him and Sadie. When Summer and Seth run into another rough patch Taylor tries to help them out. Sandy has to deal with more problems with the Newport Group and Marissa must deal with being alone....