"Baka Mukashi Banashi Gekijōban ~Jijii Wars~" is a comedic anime that parodies traditional Japanese folktales, reimagining them with absurd and humorous twists. The narrative centers around a series of interconnected stories featuring elderly characters, or "jijii," who engage in exaggerated, often ridiculous conflicts. These conflicts are framed as epic battles, blending slapstick humor with over-the-top action sequences. The elderly protagonists are portrayed as larger-than-life figures, wielding exaggerated abilities and engaging in nonsensical rivalries that escalate into chaotic confrontations.

The plot is episodic, with each segment focusing on a different folktale-inspired scenario. Common themes include generational clashes, misunderstandings, and the absurdity of human pride. The elderly characters often find themselves in situations where their stubbornness or eccentricities lead to escalating chaos, resulting in comedic outcomes. The humor is rooted in the contrast between the dignified, traditional image of elders and their outlandish, childish behavior in the series.

Key characters include a variety of elderly figures, each embodying a specific archetype or trait, such as a boastful grandfather, a cunning old woman, or a senile but surprisingly resourceful elder. Their interactions are driven by misunderstandings, petty rivalries, and a desire to prove superiority, often leading to absurdly exaggerated conflicts. The series employs a mix of verbal wit, physical comedy, and surreal scenarios to create its humor, often breaking the fourth wall or referencing modern pop culture within the context of traditional folktales.

The animation style complements the comedic tone, with exaggerated facial expressions, dynamic action sequences, and vibrant visuals that enhance the absurdity of the situations. The pacing is fast, with each episode or segment delivering rapid-fire jokes and escalating chaos. The series does not aim for deep narrative complexity but instead focuses on delivering consistent, lighthearted entertainment through its unique blend of parody and slapstick humor.