"Through the Lens of Time" offers lots of parallels to Stargate's biggest threat. Is this a sign the classic sci-fi series is ...

Stargate SG-1 is an amazing sci-fi series, and for fans of the show, another hit sci-fi series once crossed paths with it.

As for Agents of Shield, which is maddeningly obtuse in its divergence from the Marvel timeline, they pretty much gave up on any semblance of being in the same universe as the MCU movies.