From Latin to English, the episode's title "In Vino Veritas" translates as "In Wine There is Truth."
When Hank was improvising medical equipment, his father was helping Hank. He just happened to have duct tape because he thought they "might need it". His father was played by Henry Winkler, who was an executive producer for the series MacGyver (1985 to 1992). One of MacGyver's main tools was duct tape.