A sixty-second tease introduces the cast and previews some of their scientific adventures. This is followed by a four-minute film showing the recording of the 3-2-1 Contact theme. (See Quotes.) While Lisa and Marc talk on a steel-can telephone of the youth, Trini tries to fool them with ""Stan the Robot."" But nobody is fooled, thanks to a device that maps out sound patterns. Marc visits Bell Laboratories to see a computer that is programmed to speak.ANIMATIONS: Telephones; human voice.THE BLOODHOUND GANG: ""The Case of the Educated Pig,"" a one-shot mystery surrounding a pig that can supposedly answer multiple-choice questions.

Same 60-second tease as in first episode precedes an invasion of noises into Marc's world. Knowing that ""noise annoys,"" Marc illustrates (with a decibel reader) that loud noises can damage people's hearing. Lisa shows Trini that a cactus needle can be used as a record needle. When Marc returns, he gives a private message that Trini picks up on a parabolic microphone. Lisa visits the (White Plains) New York School for the Deaf.ANIMATION: Sound vibrations.THE BLOODHOUND GANG: ""The Case of Princess Tomorrow, Part One."" A professor introduces to a group of gamblers and The Bloodhound Gang a woman who seemingly predicts the future. She is hypnotized to write down the results of a future horse race, which the Professor seals and has mailed to The Bloodhound Gang the next day.

Lisa goes to Hawaii to see how dolphins use sonar. Another segment sees sonar of bats. Trini sees an ultrasound apparatus at work. The Bloodhound Gang finds a wrinkle in The Case of Princess Tomorrow.

Dizzy Gillespie shows off his jazz talents. Trini checks out the behind-the-scenes work at a Kiss concert. The Bloodhound Gang cracks the Case of Princess Tomorrow.

Lisa, Marc, and Trini are given a puzzle. They hear a bell ring and, as instructed, put the bell in a closed jar and take out some of the air with a vacuum pump. Since they don't hear the ringing, they begin to wonder: Is the bell broken?