|2 Season, Episode 128|
|written by'||Craig Barlett|
Dinosaur Train Submarine: Otto Ophthalmosaurus
Treasure Hunt is the 128th episode second season of Dinosaur train.
Don has a large collection of things he's found in nature, but he's missing one hard-to-locate item - amber. On the Dinosaur Train, Don and the other Pteranodon kids find out that Gilbert is also looking for amber.
- Cretaceous Period