Season 23 - Episode Guide

Episode: 23x01 | Airdate: Oct 10, 1995

Episode: 23x02 | Airdate: Oct 17, 1995

Episode: 23x03 | Airdate: Oct 24, 1995

From their blistering beginnings as molten rock, the Hawiian islands have grown into a verdant paradise of unique lifeforms.

Episode: 23x04 | Airdate: Oct 31, 1995

Episode: 23x05 | Airdate: Nov 7, 1995

Episode: 23x06 | Airdate: Nov 14, 1995

Episode: 23x07 | Airdate: Nov 28, 1995

Episode: 23x08 | Airdate: Dec 19, 1995

Episode: 23x09 | Airdate: Dec 26, 1995

Episode: 23x10 | Airdate: Jan 9, 1996

Episode: 23x11 | Airdate: Jan 16, 1996

Episode: 23x12 | Airdate: Jan 30, 1996

Episode: 23x13 | Airdate: Feb 6, 1996

Episode: 23x14 | Airdate: Feb 20, 1996

Episode: 23x15 | Airdate: Feb 27, 1996

Carl Sagan and other scientists investigate claims that people have been visited or abducted by aliens.

Episode: 23x16 | Airdate: Mar 26, 1996

The Great Flood of 1993 leaves a wake of destruction across the Midwest. Can rivers ever be contained?

Episode: 23x17 | Airdate: Apr 2, 1996

Episode: 23x18 | Airdate: Apr 9, 1996

Explore the unique culture of the Yanomami, an isolated tribe living deep in the Amazonian rainforest.

Episode: 23x19 | Airdate: Apr 16, 1996

Forensic scientists search for clues hidden within the chaos of crime scenes to help law enforcement find the Unabomber.