Be afraid, 'Chuck.' Be very afraid.

If you’re not caught up on the current season of "Chuck," here are a few things you should know: Chuck is working as a spy. Morgan is working as part of the spy team. The Buy More is one big CIA front now. Chuck and Sarah are officially a couple.

Oh, and Chuck has found his long-lost mom, who it turns out was a spy and might be a double or even triple agent. Honestly, that part gets a little confusing. Luckily, last night’s episode took a break from the Mama Bartowski roller coaster and just gave us a straightforward Chuck and the Gang adventure.

There’s something wrong with the Intersect, the giant computer stored in Chuck’s head that gives him every piece of information known by the CIA and awesome fighting abilities when the need arises. Yes, we’ve done the “what’s wrong with Chuck’s head” plot a few times, but there’s a twist here: the Intersect isn’t gone, it’s just being suppressed, and the CIA has to figure out how to get it going again.

BOO!!!

Did that scare you? Enough to kick start your super awesome internal spy computer? Because that’s how crazed CIA psychologist Jim Rye (former "Daily Show" correspondent Rob Riggle) thinks he can get the Intersect going. Rye’s escalating scenarios of danger eventually put Chuck in a gondola filled with bad guys in Switzerland with no weapons and no backup. The result is….. less than ideal.

Let's pause for a second to give the show some credit. At almost every turn, I expected Rye’s dangerous scenarios to turn out to be a CIA setup designed to start the Intersect. It felt like that almost happened at one point, and given how much Riggle tends to overplay things, it seemed like a fair assumption. Thank you, show, for proving me wrong.

But along the way, an interesting situation develops: Rye comes to the conclusion that part of the problem for Chuck is Sarah, in the sense that Chuck knows she’ll always be there to save him. He has a point. Sarah IS Chuck’s security blanket and both of them feed into that, even though both talk about Chuck being a full-fledged spy. That’s why it’s such a huge deal when, during a heated debate about the mission, Sarah blurts out that she doesn’t think Chuck is a spy. Uh-oh.

The show has done an interesting job this season with the Chuck/Sarah coupling, wrapping it around the aspect of them both being spies and how the inherent danger that comes with that job impacts their relationship. After more than three seasons, we’re invested in Chuck and Sarah being together. We went them to be happy, but we also want them to be effective spies. And if Rye’s right and those two things can’t work together, it could mean a big shift for Chuck and Sarah as a couple and for the Buy More team.

Speaking of the Buy More, this week gave us a nice dose of Jeffster, who finally started to get curious about why every female employee is ultra attractive and why they’re all named Greta (this week’s guest Greta is Summer Glau, who does menacing quite nicely, thank you very much). But honestly, the guys went a little too far over the creepy line for my taste, so the less said about it, the better.

So, how did the Chuck mission work out? I’d love to tell you, but we’ll all have to wait until next week to know.