Stargate Atlantis (2004)

S5E10 First Contact (1)

In the episode "First Contact (1)," Dr. Daniel Jackson comes to Atlantis to explore a concealed laboratory created by the renegade Ancient scientist, Janus. Their findings draw the interest of an enigmatic alien group that breaches the city’s defenses. Concurrently, "Todd" arrives aboard the Daedalus with a team to present Dr. Jennifer Keller with a gene therapy proposal, setting the stage for potential alliances and conflicts as the team navigates the threats posed by the new extraterrestrial presence.