Ep 5. Need

The show Stargate SG1, season 2 episode 5, is titled Need. The episode follows the team of Colonel Jack O'Neill, Daniel Jackson, Teal'c, and Captain Samantha Carter as they explore a new planet through the Stargate, the interstellar portal that allows them to travel to far-off worlds. What starts off as a routine mission soon takes an unexpected turn, as the team discovers that an unexpected element on the planet has some unusual effects.

The episode opens with SG1 exploring an alien planet that seems to be deserted. They discover a temple that contains a glowing crystal, which Daniel believes could be the source of great power. However, before they can investigate it any further, they are ambushed by a group of Jaffa soldiers. In the confusion, Daniel touches the crystal and has a strange vision. Back on Earth, he begins to experience intense headaches and strange behavior, leaving his teammates concerned.

Meanwhile, a woman named Linea arrives at the Stargate Command base. She claims to be a scientist who has been stranded on a planet for many years and has mastered many technological skills. SG1 is intrigued by her knowledge and invites her to join the team on their next mission. However, as they visit new worlds, they begin to notice strange patterns such as Daniel's headaches intensifying and Teal'c slowly turning against the team.

As the team investigates further, they discover that Linea is not who she claims to be, and that the crystal from the previous mission has imbued her with great powers. Need explores themes of addiction and power, as Linea uses her newfound abilities to manipulate SG1 and the alien planets they visit. The episode builds tension as they try to discover a way to stop her, while Teal'c and Daniel struggle with their own personal struggles regarding the crystal and its effects on them.

The episode reaches its climax as SG1 faces off against Linea, who has been revealed to be a dangerous criminal who was exiled from her homeworld for her heinous crimes. It is revealed that her powers stem from a drug-like substance that she has been taking, which gives her immense strength and control but also leaves her in a weakened state without it. As SG1 fights to stop her, they must also confront their own weaknesses, as they too have been affected by the crystal's powers.

Overall, Need is a thrilling episode that combines sci-fi action with exploration of human nature. The episode questions what it means to have power, and what happens when that power is abused or taken too far. Through the struggles of SG1, we see the importance of self-control and the dangers of relying too heavily on outside forces. Need is a standout episode from season two, showcasing the show's ability to tackle complex themes while still delivering exciting action and tension-filled plots.