The Virginian Season 7 Episode 13 Big Tiny

Trampas and David Sutton are sent to Durango to purchase and return with a bull at an auction. After arriving in Durango, David bumps into Martha Carson who is trying to avoid the romantic overtures of the big hulk "Tiny" Morgan. During the encounter Martha asks David to be engaged to her until Tiny who David mistakes for a diminutive store clerk leaves town. The charade turns into a massive problem for both of them as word spreads and Tiny decides to stay for their wedding. Trampas knows Tiny and tries to warn David but ultimately takes advantage of the situation at David's expense.