Well, it's been a year since the last episode of this season in our time and a good number of months in Eureka-time, as Allison and the horrible Lexi are both much more pregnant than they were before. And yet, everyone's acting like Carter's firing just happened yesterday. Even Carter, who still lives in the town he shouldn't even be allowed in and is only now looking for a new job. Jo is also looking for work, as her expected promotion to Sheriff doesn't happen in favor of hiring one of Fargo's new robot creations, Sheriff Andy. She quits in disgust, and her boyfriend doesn't show up in the entire episode to support her. Sheriff Andy's robot know-how is no match for Carter's human intuition, so when a bunch of trees randomly fall down in the middle of the road, he decides it's a natural occurrence and not worth investigating -- until a satellite array suddenly falls out of the sky and crushes him and then the jeep he's sitting in flattens itself out of nowhere. Henry discovers that there are random gravity pockets all over town causing this, and Sheriff Andy teams up with Carter, who remembers that his sister met with one of GD's crazy scientists about a portable gravity-defying thingamabob in which she plans to give birth even though she supposedly hates machines and stuff. It turns out that the scientist who built it got a little help in his gravity research over e-mails with a European scientist who doesn't actually exist -- it was all the work of SARAH, who did it to kill Sheriff Andy so Carter could get his job back. But now, of course, everything's gone wrong and Eureka and the entire West Coast are about to be sucked into a black hole unless someone can shut down the gravity device where all this started, in a barn fraught with danger in the form of gravity wells that turn lightweight objects like pinecones into man- or robot-crushing anvils raining down from the sky. Sheriff Andy is the best candidate for the suicide mission, but he refuses on the grounds that he's programmed to protect both the citizens of Eureka and himself. Carter goes instead, of course, only to have the power source they need to turn off the machine get gravity-ed up and plummet through the floor and down to the bowels of the earth. Fortunately, Sheriff Andy shows up to help out, and uses himself as the necessary power source. It works, gravity returns to normal, and Sheriff Andy gets Carter his job back by finding a clause in the town charter that says that the mayor must agree to the firing of the Sheriff. And since the mayor is Henry, he does not agree. You'd think SARAH could have found that little clause herself instead of this elaborate plan to use gravity to kill a robot, but no. Jo un-quits and everything is back to normal, which is good, because apparently there are aliens coming to town.
It took almost a year, but Eureka is finally back from its mid-season break! Why can't the
Sci Fi Syfy Channel just be honest and call it a season finale and then this can be the Season 4 premiere? It makes no sense. Anyway, last time on Eureka, Carter got fired. Now he's in Los Angeles, interviewing for a job with the Department of Homeland Security, who claim that his résumé is excellent, even though it has him quitting his U.S .Marshall job to be the sheriff of a small town, which he was then fired from. The interviewer even asks Carter if anything exciting ever happened during his two years of small-town life. Carter flashes back to many exciting moments, but says nothing.
Back in Eureka, Carter exposits to Henry that he's not allowed to say anything about his old job to his interviewer because Eureka is top-secret. Henry just says that he hopes Carter doesn't get the Homeland Security job, which is kind of mean, then takes off to check out some crackles in an antenna array THAT WILL BE IMPORTANT LATER (THIS SEASON). Carter heads for Café Diem, where Zoe still works. She's anxious for news on her father's job, since wherever he ends up working will be where she goes, too. Also, she's had way too many job-perk espressos. Carter assures Zoe that if he gets the Homeland Security job, it won't start until she finishes her school semester, so the transition will be as easy as possible for her. Except that I don't see how Carter is allowed to live in Eureka if he doesn't work there, let alone take advantage of the free food and rent. Carter then tries to order a burger from Vincent, who is too sad about Carter's job loss to do it. While he's waiting for Vincent to pull it together and cook, Carter makes the rounds and spots Jo sitting at a nearby table with her breakfast. He says she looks ready to assume her new Sheriff position. Jo reminds him that she doesn't have it yet, but both Jo and Carter seem pretty sure it'll happen soon. Jo does say that while she's happy for the promotion, this isn't the way she wanted to get it.
So, with all of that, you'd think that Carter had only just lost his job a few days ago, since the residents are still depressed about it, Carter has only just started looking for new work, and the DoD has yet to choose his successor. But then Allison waddles over looking very pregnant, so that means it's actually been several months. Huh? "Look at you!" Carter says, as if he hasn't seen Allison looking pregnant before. Maybe she just woke up that morning with a ton of baby weight? I guess that would explain the weird timing. Allison has news about the Sheriff position, and since it isn't that Carter has been re-hired, he and Jo assume that Jo got the job. Allison lets Jo smile and bask in the glory of her promotion for a few seconds before shutting her down and saying Jo isn't the new Sheriff. The DoD hired someone else, and he'll be there soon.