What was the Episode with imposter doctor on MASH?

The episode featuring the imposter doctor in MASH* is titled "The Doctor's Wife" (Season 6, Episode 12). In this episode, a con man posing as a doctor arrives at the 4077th and begins treating patients, creating chaos. The real doctors must expose him while dealing with the complications he introduces. The episode highlights themes of trust and the importance of genuine medical care in a war setting.