23. "Lost Locket, Found Locket"
Original airdate: March 20, 1970
Jan receives a locket from an unknown admirer and all the Bradys are curious about who sent it, on Paramount Television's "The Brady Bunch."
In "Lost Locket, Found Locket," both Mike and Carol suspect the other sent it and each starts sleuthing to prove it. Suddenly, the locket disappears.