Review of the previous season.
We start with Jim Lake (Anton Yelchin) in the Dark Lands, where he went at the end of last season to rescue Claire's brother Enrique - he went without his team, because he was afraid some of them might die. The team tries to get him back. This being a kids show, you know they will - so it'll come as no surprise that most of the episodes are set back in Arcadia Oaks. Unfortunately, Jim's escape brought some unwanted guests. But let's just pause the dramatics and story arc for an entire episode called "The Reckless Club," which is set in weekend detention at the high school. Their teacher has stomach problems, so he's always in the washroom and the students go on a rampage. If this sounds like "The Breakfast Club," that's because it's a blatant remix.
They also made some allusions to "Star Wars" in a previous episode, and the final episode of the season is called "In the Hall of the Gumm-Gumm King," which is riffing on "In the Hall of the Mountain King," a piece of music by Edvard Grieg: trust me, you'd recognize it, it's an incredibly distinctive tune. It's also part of the "Peer Gynt" suite - and there had already been a couple references to both the music and the character Peer Gynt.
Fairly good, but the weakest of the three seasons (at least it was half the length of the previous season!).