3-2-1 Contact - Season 1 Episode 23

After two days and contact, Marc sends out the Goodyear Blimp for Trini. Marc visits Bell Laboratories to see a computer that is programmed to speak (intermixed with portion of Human Voice animation from Episode 1).Film insert: ""How A Television Works"" song (filmed at Connecticut Public Television with some stars of Sesame Street.ANIMATIONS: Sound vibrations; telephones.THE BLOODHOUND GANG: ""The case of the Cackling Ghost, Part Three."" The gang discovers that Edmund had poured pheromones on a sheet to attract enough moths that would simulate the ghost.