1. "Stargate SG-1": Duplicate robots made of SG-1. "Star Trek: Next Generation": Large space object turns out to possess intelligence. The Broca Divide Datalore Tin Man Quality of Life

2. "Stargate SG-1": Strange object from another planet pins Jack to the wall pumping radiation into the walls, as well as Jack. "Star Trek: Voyager": The crew discovers an ancient communications relay that extends to the Alpha Quadrant. Nemesis Prey Message in a Bottle Fire and Water

3. "Stargate SG-1": Apophis has kidnapped Teal'c's son, Rya'c, and brainwashed him. "Star Trek: Next Generation": Dealing with his brainwashing by the Borg, Picard visits his brother in France. Family Suddenly Human Best of Both Worlds Bloodlines

4. "Stargate SG-1": A black hole threatens Stargate command. "Star Trek: Next Generation": A visitor, supposedly from the future, visits the Enterprise. A Matter of Time Time Squared Singularity Window of Opportunity

5. "Star Trek: Voyager": Tuvok runs a Starfleet training program for several Maquis crewmembers. "Stargate SG-1": SG-1 participates in an exchange program. Learning Curve 48 Hours Point of View Alliances

6. "Star Trek: Next Generation": Worf attempts to bond with his son Alexander. "Stargate SG-1": SG-1 contacts a world with two warring religions with different beliefs regarding the Stargate. New Ground Absolute Power The Broca Divide Reunion

7. This is the only two-parter name "Stargate SG-1" and "Star Trek" have in common. Unification, Part 1 and 2 Evolution, Part 1 and 2 Birthright, Part 1 and 2 Redemption, Part 1 and 2

8. "Stargate SG-1": SG-1 stumbles in the middle of a war, that appears to include lost SG members. "Star Trek: Deep Space Nine": Worf faces extradition to his homeworld when he destroys a Klingon transport. Nemesis The First Commandment Crossfire Rules of Engagement

9. "Star Trek: Next Generation": The Enterprise is caught in the middle of a civil war when they encounter Tasha Yar's long-lost younger sister, Ishara. "Stargate SG-1": Doctors fear Daniel is going crazy because of frequent gate travel. Legacy Forsaken Prophecy Cause and Effect

10. Last one is a little different. I give you the episode names, you choose the very similar plotline. "Stargate SG-1": "Beneath the Surface" "Star Trek: Voyager": "Workforce, Part 1 and 2" kidnapped and brainwashed, forced to work in a power plant exploring underground caves stranded on a planet, must find food and shelter trying to free slaves