Billy rallies the family toward the next stage of North Star Ranch.

The Wolfpack questions the future of their dream after a ruinous wildfire.

With the Browns committed to rebuilding, Bear gets the chance to finally meet his son River for the first time. But Bird grapples with her future, longing for life back on the sea in Alaska.

Bird, Bear and Rain make a long-awaited return to Browntown to reconnect with their bush past. But will it be as they imagined it? On North Star Ranch, Bam, Gabe and Noah use a unique method to repair the roads damaged by the fire.

An incoming storm threatens to cut the siblings' Alaska trip short. But surprise news from Billy sends them on a quest to reunite with an old friend. Noah struggles to train his new "war horse," Prometheus.

After the summer's devastating wildfire, the Wolfpack is eager to reestablish roots back on their mountain ranch. As they race to build a new "Boomtown" inspired basecamp, an unexpected tragedy strikes and the family must grieve one of its own.

The Browns rally to bring home Billy's beloved animals to the mountain as a dose of bush medicine. And as Bear and Raiven give their relationship another try, the young father welcomes son River to North Star for the very first time.

As gold fever reignites, the Wolfpack must balance preparations for a celebration to honor Billy, with a mission to haul 80-tons of old goldmining equipment up the mountain.

The Browns meet their match with 75 tons of salvaged old mining equipment as they struggle to place it and get it running. Bird and Rain seek the chance to complete the horseback riding lesson their father was not able to give them.

The Wolfpack celebrates Billy but some question the future without him.