Magnum Mania!

I count nine episodes in which someone, usually a cast member, was stranded or trapped and usually in danger.

Solo Flight - Magnum trapped under plane
Home From the Sea - Magnum stranded in the ocean
Operation Silent Night - All four stranded on island
Texas Lightning - Magnum stranded with Jeannie Lowry/Julie Sommars
This Island Isn't Big Enough - Rick stranded on island
Autumn Summer - Higgins stranded with youth group
Rembrandt Girl - Magnum trapped in bank vault with Susan Johnson/Carol Burnett
Paper War - Magnum and Higgins trapped in elevator (PRICELESS!!!)
Thank God for Little Girls.... - Girls trapped in abandoned shelter

TC never got trapped or stranded by himself.

KingKC