My Three Sons (1960)
S10E25 Love Thy Neighbor
Episode Overview
Robbie and Katie find themselves at odds with the young couple that just moved into the apartment next door. At the same time, Uncle Charley tells Dodie that Katie is her sister, prompting her to call and leave a message for Robbie. However, when he forgets to relay the message, tensions rise and a family crisis looms on the horizon.