Only Fools and Horses

From Prussia with Love (5x1)

Air date: Aug 31, 1986

When a German damsel turns up in the Nag's Head, she's definitely in distress - and nine months pregnant at that. Rodney's all beer and sympathy, but Del's got an idea - could this be the answer to Boycie and Marlene's dreams of a child and a golden opportunity to make a few bob along the way?