Final answer:
The upcoming "Field of Nice Mice" episode's setting (option b) is changing to a glove compartment, which is likely to influence the plot structure with new challenges but probably won't alter the main characters or the theme song.
Step-by-step explanation:
In reference to the episode "Field of Nice Mice" set inside a glove compartment, it is likely that b) the setting will change about the show. Understandably, the thematic essence of a show is often tied to its main characters, and thus, dramatic shifts to the characters are less frequent within established series to maintain continuity and audience attachment. The plot structure might undergo some alterations to adapt to the new setting, possibly introducing new challenges or adventures associated with the confined space of a glove compartment.
The change in setting to a glove compartment may introduce unique storytelling elements or new characters that could briefly alter the dynamics of the show without necessarily changing the main characters. Due to the change to a more confined and perhaps imaginative location, such as a glove compartment, the show might incorporate creative ways to depict events unfolding within this space, leading to unexpected plot developments. While the theme song is also a core aspect of a show's identity, it is usually consistent throughout a series, though special episodes or changes in setting might be reflected in a modified arrangement or version of the theme song to fit the episode's unique ambiance.