The season focuses on epic adventures like the 'Elements' miniseries, where Finn and Jake combat a magical dystopia corrupting Ooo, emphasizing heroism, change, and friendship amid surreal chaos. BMO, a longstanding gender-ambiguous character who occasionally switches pronouns, appears in episodes like 'Orb' and 'Elements Part 1,' but this fluidity feels playful and consistent with the show's quirky world-building rather than a focal point or lecture. Fern's arc explores identity struggles as a grass doppelganger turning villainous, but it's framed as personal evil impulses, not systemic critique or identity politics advocacy.

Casting remains the reliable original voice ensemble with guest stars adding flavor, no race/gender-swaps or forced DEI evident. Marceline's backstory in 'Ketchup' adds emotional depth without political overlay. No creator statements emphasize activism, and reception praises the cohesive adventures and surreal roots, with no notable backlash labeling it 'woke'—criticisms target general later-season weirdness or spin-offs instead. This season excels by prioritizing fun, imaginative escapism over ideological messaging, preserving the pure entertainment that made the series beloved.