Bonanza S09 E21 The Crime of Johnny Mule

"America's Favorite TV Western"

Hoss stands alone in refusing to convict Johnny Mule, a ""slow"" ranch hand who is accused of robbing and murdering his boss. So when Johnny Mule - fearing he'll be lynched, regardless of the verdict - escapes from jail during jury deliberations, it's Hoss who takes the heat.