Season 1 of 妄想探索社 premiered on October 6, 2013.

Tanaka Koharu joins a school club whose main activity is to discuss the activities of school clubs, often taking common anime/manga tropes to the extremes.

Note: Each episode features an unscripted segment, where the voice actors try to stay in character while discussing a topic.

Season 2 of 妄想探索社 premiered on January 12, 2014.

Koharu is recruited into an unusual "groping" club only for the reason that she doesn't overlap with the other members' characters. Groping club is in fact an unofficial club with no real activity or purpose, prompting the girls to work on finding one. Strange daily life ensues, where club activities consist of first coming up with club stereotypes, then figuring out a new way to operate such a club.

Season 3 of 妄想探索社 premiered on April 4, 2015.

Koharu is recruited into an unusual "groping" club only for the reason that she doesn't overlap with the other members' characters. Groping club is in fact an unofficial club with no real activity or purpose, prompting the girls to work on finding one. Strange daily life ensues, where club activities consist of first coming up with club stereotypes, then figuring out a new way to operate such a club.