A shark shoots skyward, tackling a herd of seals, as Nat Geo expert Ryan Johnson heads to sea with researcher Alta De Vos. Join the pair as they unravel a mystery surrounding Seal Island. Explore what seals do to avoid the great whites' jaws.
| Name | Type | Role | |
|---|---|---|---|
| Lindsay Schnebly | Guest Star | ||
| Lynne Richardson | Director |