Watch Magnum P.I. Online: Season 4 Episode 20Paul Dailly at .
Did the gang work well with one of them undercover?
A desperate mission in a high-security correctional center on Magnum P.I. Season 4 Episode 20 left Magnum and Higgins in danger.
The pair tried to find out more when a ruthless criminal abducted Katsumoto's ex-wife, Beth.
Elsewhere, T.C. rushed to help Rick when Suzy had unexpected pregnancy complications.
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