I want more episodes where a random Federation scientist makes a whole planet like a random 20th century society.

An episode should explore the sociopolitical ramifications of a planet made of cheese.

More non-corporeal lifeforms.

Entire season dedicated to a group of evolutionary exobiologists warping over to Loracus Prime for a conference commemorating Hodgkin's visit, all bitterly divided over doctrinal questions about the minutiae of the theory (plus the one galactic panspermia advocate included as comic relief)