Watch out! In the trailer for "Ozark" Season 4, the call comes from inside the house Netflix has released the full-length trailer for the first half of the final season of "Ozark," and one thing is clear: things are getting even more dangerous for Marty (Jason Bateman) and Wendy (Laura Linney)! Marty (Jason Bateman) and Wendy (Laura Linney). For Marty (Jason Bateman) and Wendy (Laura Linney), things just got even more dangerous.

Ozark Season 4 is the final chapter of the blockbuster and is divided into two parts, each consisting of seven episodes. Part 1 is a continuation of the previous installment, in which Marty and Wendy rise to the prestigious position of the cartel run by kingpin Omar Navarro (Felix Solis). [But with great power comes great danger. Not only must she broker a deal with the FBI on his behalf, she must also issue threats against heroin producer Darlene Snell (Lisa Emery) and her new partner, Ruth Langmore (Julia Garner). And Marty's assistant is ready to burn some bridges.

This includes soliciting the Byrds' 14-year-old son, Jonah (Skyler Gartner), to do money laundering for her! In the trailer's darkly funny scene, Wendy is horrified by this, while Marty is a little proud.

But Marty is warned that "the biggest threats always come from within."

Raising the next generation of criminals probably won't end well.

Other parts of the action-packed trailer show glimpses of someone digging in the woods, a major highway raid by police, Darlene shooting someone with a shotgun, and a horrific accident involving what appears to be the Byrd family car.

Ozark Season 4 is one of our top picks for what to watch in January 2022. Part 1 will be available on Netflix on January 21. Looking for something to watch in advance? We've got everything you need to know about how to watch "Discovery of Witches" Season 3 online.

Plus, check out our most anticipated shows for 2022, as well as Netflix movies and shows releasing this year.