All episodes Season 4 S04E18 2001-01-26 60 min 1990s Showtime/Syfy

Stargate SG-1

The Light

TV Flash files “The Light” as hour 83 of 213 in the TV Flash guide — Stargate SG-1 (1997–2007) on Showtime/Syfy, season 4, episode 18, aired 2001-01-26, 60 min.

From the desk

How this hour is filed

This leaf is S04E18: listed hour 83 of 213 in the Stargate SG-1 guide, hour 18 of 22 in season 4. It aired 2001-01-26 (60 min). The listed hour before it is “Absolute Power” (S04E17). Next is “Prodigy” (S04E19).

Stargate SG-1 — The Light (S04E18)

Catalog log

Broadcast listing — not a TV Flash recap.

A member of another SG team, returning from an alien planet, commits suicide. The rest of his team begins to go into comas, and Daniel, who also visited the planet, attempts suicide. SG-1 must determine the cause before it is too late.

Viewer FAQ

Where does The Light sit in the Stargate SG-1 guide?

S04E18 is listed hour 83 of 213 — hour 18 of 22 in season 4, season 4 episode 18.

When did Stargate SG-1 S04E18 air?

The Light aired 2001-01-26 and is listed at 60 minutes.

Is it connected to the movie?

Yes — it continues and reworks the 1994 Stargate film into long-running series mythology rather than a one-off adaptation.

In the series

Why this series still plays

A military-science team dials an ancient gate, fights parasitic false gods, and turns a 1994 film into a ten-season franchise engine. Richard Dean Anderson's O'Neill brings wry competence; Carter, Jackson, and Teal'c make exploration feel like unit loyalty. Showtime to Syfy, Atlantis and Universe later. Comfort portal sci-fi that still builds a cosmos.

Showtime, July 27, 1997, later Syfy: a military-science team dials an ancient gate, fights parasitic false gods, and turns a 1994 film into a ten-season franchise engine. Brad Wright and Jonathan Glassner built the long haul. Richard Dean Anderson's Jack O'Neill brought wry competence; Amanda Tapping's Samantha Carter, Michael Shanks's Daniel Jackson, and Christopher Judge's Teal'c made exploration feel like unit loyalty under fire. Ten seasons through 2007 — among the longest U.S. sci-fi series runs. Portal…

Open the Stargate SG-1 package · Season 4 hub

Filed against

Also in season 4

← Full episode guide · Show package · All shows