Ecologist Suzanne Simard discovers how trees communicate underground through an immense web of fungi.
| Writing | Suzanne Simard | Book |
| Production | Jake Gyllenhaal | Producer |
| Production | Riva Marker | Producer |
| Production | Amy Adams | Producer |
| Production | Stacy O'Neil | Producer |
| Production | Noah Stahl | Executive Producer |
| Production | Kate Clifford | Executive Producer |