About of humanity, the stars, the dinosaurs, and other mysteries of the world and the universe.
| Season | From | To | Episodes |
|---|---|---|---|
| All Seasons | |||
| Specials | 0 | ||
| Season 1 | October 1987 | June 1988 | 4 |
| Season 2 | September 1988 | June 1989 | 4 |
| Season 3 | September 1989 | April 1990 | 4 |
| Season 4 | October 1990 | April 1991 | 4 |
| Season 5 | September 1991 | May 1992 | 4 |
| Unassigned Episodes | 0 |
| Season | From | To | Episodes |
|---|---|---|---|
| Unassigned Episodes | 20 |
| Season | From | To | Episodes |
|---|---|---|---|
| Season 1 | 0 | ||
| Unassigned Episodes | 20 |
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