In 'N Outlaws

(5.11*, by Marc Abraham)  Mon, February 6 - Wed, February 15, 1989.  When Agnes is the lone standout in a jury that causes her to be sequestered, and Bert is desperate for her to attend his family reunion, he decides to solve the crime to free her.
*This episode is set much earlier in the EU, contrary to its bizarre placement in the original broadcast order.