This was nearly the last episode aired as the ratings by the end of the show's first season were so low that CBS was on the verge of cancelling the series. However they decided to rerun two episodes each week during the summer break and the number of viewers began to rise and the show was renewed for a second season and would run a total of 11 seasons.
This is the second time Gary Burghoff drumming been used in this series.
The last episode with Ugly John. John Orchard would return in the season 8 episode "Captains Outrageous" as the MP that closes down Rosie's bar at the end.
After using a different orchestra for the opening theme, the series returns to using the original theme. This actually happened on the previous episode, "Cease Fire."
The dosage of morphine Frank says is the appropriate dose (1/4 grain) vs what Hawkeye orders (1/3 grain) in modern times would be roughly 15-20 milligrams. In the 1950's apothecary system was used for dosing medication. The units were in order from highest to lowest grains, drams, and minums. One grain is equivalent to 65 milligrams.