2.22 - Shades of Gray

While exploring planet Surata IV with Geordi, Riker is stung by an alien thorn whose poison creeps up his spine toward his brain. Pulaski brings him back to the ship and tries to trigger emotional responses to destroy the poison.

Shades of Gray

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TNG Season 2, Episode 22

TELEPLAY BY
Maurice Hurley,
Richard Manning,
and Hans Beimler

STORY BY
Maurice Hurley

DIRECTED BY
Robert Bowman

First Aired Jul 17, 1989

Stardate 42976.1