chunk: Later, the slime invades Dana's apartment via the bathtub and attacks her and Oscar. She seeks refuge with Peter, and the two begin to renew their relationship. Investigating the 'psychomagnatheric' slime and Vigo's history, the Ghostbusters discover that it reacts to emotions; it can be charged positively or negatively. They suspect that it has been generated by the negative attitudes of New Yorkers. While Peter and Dana have dinner together, Egon, Ray, and Winston explore the underground river of slime. While measuring its depth, Winston gets pulled into the slime flow, and Ray and Egon jump in after him. After they escape back to the surface Ray and Winston begin an angry argument, but Egon realizes that they are being influenced by the slime, so they strip off their clothes. They also learn the river is flowing underground directly to the museum where Dana works.