3-2-1 Contact Season 1 Episode 56
Big/Small: Animal Sizes/Scaling
"At the Bronx Zoo, Lisa goes on the rounds with a young veterinarian feeding baby animals. Marc visits Miami Seaquarium to see whales trained.
Film insert: Leaf-cutter ants; flea circus.
ANIMATION: Do you know how difficult an ant would be if it were the size of an elephant?
THE BLOODHOUND GANG: "The Case of the Professor's Fleas," a one-shot mystery surrounding a flea circus that has had all its stars stolen."

3-2-1 Contact Season 1 Episode 57
Big/Small: Animal Habitats
"Everyone is perplexed when they find bugs living on just about everything. Trini examines a salt marsh. (Continues in Episode 59.) A guest biologist discusses water and food chains.
Film insert: elephants' needs for survival.
ANIMATION: Ants.
THE BLOODHOUND GANG: "The Case of the Dead Man's Pigeon," a one-shot adventure in which a lawyer is trying to swindle a niece from her inheritance"

3-2-1 Contact Season 1 Episode 58
Big/Small: Dinoaurs
"Trini is convinced she has discovered a dinosaur bone. A visit to a American Museum of Natural History shows that she actually has the femur of a horse. Also at the museum, a young student reflects on her part-time work with paleontology. Lisa discovers a "dinosaur graveyard" in Utah, where several scientists uncover thousands of bones.
ANIMATIONS: Fossilization of animal bones; stop-action assembly bones of an animal; scale replication of a dinosaur cartoon.
THE BLOODHOUND GANG: "The Case of the 264-Pound Burglar, Part One." (Recycled from Episode 6) An old lady's life savings is stolen from her attic. Did the culprit weigh 264 pounds, as a found weight card suggests? (Concludes in next episode.)"

3-2-1 Contact Season 1 Episode 59
Big/Small: Volume & Efficiency
"At an aquarium, Lisa and Trini learn about volume. Marc and Lisa head out to see a supertanker. Trini stakes her case about oil spills. This includes an extension of Trini's visit to the salt marsh in Episode 57. As a final gesture, Marc and Lisa remind Trini just how many common items come from oil.
Film insert: how a school bus compares to a car in transporting kids.
ANIMATION: Cubes illustrate volume; the vast volume of a supertanker.
THE BLOODHOUND GANG: "The Case of the 264-Pound Burglar, Part Two." (Recycled from Episode 7) Vikki reveals that the weight card reading 264 pounds, was designed to throw them off the scent. They discover the real culprits, both of whom faked the weight card in preparation for the heist."

3-2-1 Contact Season 1 Episode 60
Big/Small: How Big is Big?
"REHASHED FROM THE PREVIOUS FOUR EPISODES: Trini is convinced she has discovered a dinosaur bone. A visit to a American Museum of Natural History shows that she actually has the femur of a horse. Marc visits Miami Seaquarium to see whales trained. At the Bronx Zoo, Lisa goes on the rounds with a young veterinarian feeding baby animals.
Fresh items for end of week: Model train built to one-eighth scale. Film insert: New York pizzeria owner bakes the largest pizza ever made (80 feet). ANIMATIONS: The need for a standardized measuring system; a pizza baker's dilemma with a trio of customers."

Capped from 1st gen VHS with VirtualDub using UTVideo YUV422 compression, did a little audio cleanup, exported as 30i AVIs, Deinterlaced them into 60p AVIs and Handbraked them into mp4s using H264, 59.94fps, ABR2000, 2-Pass, Turbo 1-st pass, AAC 448kbps Stereo.