Explores the natural history of the otter, depicted through the fictitious account of a day in the life of Otto the Otter and his mother. The narrator claims that the short features "the first film ever taken of an otter swimming underwater."
| Release Date | January 1, 1939 | |
|---|---|---|
| Status | Released | |
| Original Title | Shadow in the Stream | |
| Runtime | 16min | |
| Budget | — | |
| Revenue | — | |
| Language | English | |
| Original Language | English | |
| Production Countries | United Kingdom | |
| Production Companies | Gaumont-British Instructional | |