She told Rocky: "They don""t care about you," although Duke kept pushing: "Sell it while there""s still buyers.With Harry in an Oscorp conference room, Peter watched the video of their two fathers discussing how spiders"" venom might be merged with human DNA for self-healing:Richard: You""re looking at the world""s first human-spider hybrids.To restore the original Hill Valley to its better state, "Doc" and Marty had to travel back to the year 1955 to the time of Marty""s and "Doc""s" previous visit (in the first film) - November 12, 1955 - the date that older Biff gave his younger counterpart the almanac, and prevent the incident from happening.During their stay in common quarters, where they drink ea, bathe, and lounge, Forsythe often plays a snake charmer""s pipe o deliberately irritate McGregor as part of their ongoing friendly rivalry.