Sea Snakes of the Swains

The most venomous vertebrate animals on earth - the sea snakes - are studied in this exciting research undertaken by Dr. Harold Heatwole, American herpetologist.

My Thoughts

Guest Stars

Special appearances in this episode.

Guest Stars

No guest stars available.

Crew

Episode-specific crew credits.

No crew data available.

Videos

Clips and promos for this episode.

Videos

No videos available.

Stills

Episode still images from TMDB.

Stills

No still images available.