The Season 4 premiere explores the challenges of raising and riding rodeo bulls. Also: a satellite-aided farm; alpacas; and

A custom feed business; beef cattle breeds; and plants for green roofs.

Young farmers who cultivate the farm-restaurant tradition. Also: a pea harvest.

Aquaponics; crop consulting; and oyster farming.

Topics include the Avian flu, produce safety and a program for new farmers.

Farming for the needy; and country butchering. Also: a farm Christmas auction.

Leadership skills for farmers; failed crops; a flower farm; and lavender honey.

Crop protection via hunting; ice cream made from Maryland milk; a mother-daughter farming operation; and drinkable yogurt.

Lambs raised for fairs; Stone Valley Farm; Locks of Love; and an organic berry farm.

Soy to soy oil; cucumbers to pickles; and apples to applesauce.

A farm that turns chicken manure into electricity; a soybean harvest; and farm that's in one room of a Baltimore row home.

Winemaking; and a lawmaker-farmer.

A Hagerstown farm without cows; horse imports and exports; and a Somerset County farmer who raises organic green beans. Also: a search for the pawpaw fruit leads to Deep Run Pawpaw Orchard in Westminster and to the Pawpaw Festival in Montgomery County.