https://myanimelist.net/anime/10819/Ranma_%C2%BD__Tendou-ke_no_Oyobidenai_Yatsura This features a Nabiki narrated review of the series where she discusses various characters that the Tendo family has had to tolerate spliced with new animation of Nabiki hanging around the house, taking a bath, and wondering about the true identity of P-chan. It was available through the Kitty Animation Circle. (thetvdb.com)