S8·E18 Behavior
Core
Aired April 20, 2026 43 min ★ 8.8/10 · 4 TMDB votes
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Synopsis
When a single mother and her son are abducted while visiting a state park, Maggie brings in Peter Olsen to help profile their suspect. But as the team works, they make a harrowing discovery about an old case.
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Director & writers
Alex ChappleDirectorEduardo Javier CantoWriter
Guest stars
Vedette LimElise Taylor Taylor Anthony MillerKelly Moran Thomas Philip O'NeillDr. Neil Mosbach Zach GrenierPeter Olsen Chris CoyAbel Shaw Adam JohnsonReggie Kramer Erika OlsonErica Shaw Tracy WilderSally Sarah PribisAudrey Cahill Lance OldsClyde Bream Jack WaltersBryce Cahill Jess LucatortoValerie Palmer Jimmy PaxtonTroy Palmer
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Frequently Asked Questions
When did Season 8 Episode 18 of FBI air?
Season 8, Episode 18 ('Behavior') originally aired on April 20, 2026.
How long is Season 8 Episode 18 ('Behavior')?
The runtime for this episode is approximately 43 minutes.
What happens in FBI Season 8 Episode 18?
When a single mother and her son are abducted while visiting a state park, Maggie brings in Peter Olsen to help profile their suspect. But as the team works, they make a harrowing discovery about an old case....
All FBI episode ratings Season 8 Where to watch
Top-rated FBI episodes
- S8E14 · Forgiven ★ 9.0
- S8E16 · 3 Up, 3 Down ★ 8.7
- S8E6 · Parental ★ 8.4
- S8E13 · Fanatics ★ 8.4
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