Your favorite trek episode in category?

[You_Will_Fail]

I'd say trek episodes can be categorized, so can you think of any categories and which are your favorite episodes that fit into them?

Some I can think of

Political commentary: "The High Ground"
Comedy: "The Magnificent Ferengi"
Love story: "Lessons"
Time travel: "Before and After"
Tearjerker: "Lower Decks"
Mindbender: "Frame of Mind"/"Course: Oblivion"
Trapped on a pre-industrial planet: "Thine Ownself"
A dark secret from a character's past: "Things Past"
Our characters could be seen as the bad guys: "Damage"

Feel free to make up your own categories too, as specific as you want!

 

[Yevetha]

Political Commentary: A Taste of Armageddon
Comedy: Shore Leave
Love story:
Time travel: Little Green Men
Tearjerker: "Lower Decks"

 

[Kooz]

Time Travel: All Good Things

 

[Admiral Shran]

Political commentary: The Offspring
Comedy: The Magnificent Ferengi
Love story: A Simple Investigation
Time travel: Trials and Tribble-ations
Tearjerker: Mortal Coil
Mindbender: Frame of Mind
Trapped on a pre-industrial planet: Thine Own Self
A dark secret from a character's past: Things Past
Our characters could be seen as the bad guys: In the Pale Moonlight
Enjoyable fluff: Badda-Bing Badda Bang / Precious Cargo