Billy wants money and answers a supernatural advert for chocolate sailor salespeople in the underworld comic given to him by Grim. Billy tries one of the chocolates and becomes addicted, eating box-after-box even though he was supposed to be selling them. He gets himself together and tries to sell some chocolates to Grim and Mandy, but his addiction proves too strong and he claims that he is all out and doesn't sell to Grim when he claims he clearly wants to buy.
Aviva, Martin and Chris are out compiling information on which animals possess keratin and what the substance is used for. After observation and running scans, they discover many animals with the fibrous protein. Keratin can be found in porcupine quills, zebra hooves, rhinoceros and antelope horns, bird beaks, and even our finger nails!
MacGyver explains that, when two substances cannot mix together, they create an immiscible liquid. He provides an example of such a liquid: water and oil. MacGyver uses an immiscible liquid to create a highway road slick.
Beakman explains how diamonds are made from carbon and then describes what elements and compounds are. He combines sulfuric acid and sugar to create a black carbon substance that looks like coal to demo that carbon is in sugar. Then he uses an animated clip to explain how scientists think coal makes diamonds.