Double Dutch

During a previous mission the nefarious scientist Doctor Ivanov retrieved some of Dutch's blood and, using his DNA, created an exact clone of Dutch to infiltrate the Duo, The real Dutch, on vacation, in the Philippines, eventually returns and kills his the clone.

It's been noted that in the original script for this episode Dillon confessed his love for Dutch to the clone, The producers of the show had the script re-written because they didn't think having an interracial coupling would play well with audiences. this plot point would later be revived in later seasons.