Californication returns to Showtime on January 9.

The new season feature a slew of big-time guest stars, from Callie Thorne to Rob Lowe to Zoe Kravitz. As the network itself describes, it will also feature Hank trying to live "by the letter of the law" and needing "all the help he can get" to accomplish that task.

What, exactly, does that entail? The following trailer should give fans an idea:

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