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The Harmful Horrors of the Harrowing Hiveschool is the third episode of season 2 of The Epic Tales of Captain Underpants.​


The Melvin Sneedlies rehire Mr. Krupp, but there's a catch... He's been demoted to vice principal! Their hive mind plan with Bee DNA goes downhill when Ms. Ribble's overdose makes her queen bee and the resulting honey turns the others (bar George and Harold) into drone slaves. Captain Underpants to the rescue!


Benjamin Krupp wants his job back, but Melvinborg hired him... as vice principal. Melvin Sneedly didn’t notice why they rehired him, but Edith Anthrope asked Mr. Krupp who had to share a desk with her. The Melvins built a Bee-NA machine to turn all the teachers into beechers, but Melvin asked why do robots make mistakes again, and then Melvinborg showed a video of Grace Wain, who wants them to sign for a robot concert with a living red tape named "R. Ed Tape". After that, the Melvins make a mistake by putting too much Bee-NA into Tara Ribble and she became a queen bee, and she mind-controls all the teachers and students to make a hive. George and Harold tell Mr. Krupp the full thing, but Krupp just tricks the boys to attempt to catch them, and Melvinborg tell the three about the plan, and Melvin is mad at his future self for that. Queen Zombee tries to attack them, but shortly after Mr. Krupp turns into Captain Underpants, he got stung by the bees, so the boys turned everyone back to normal, and the bears chase Melvin and Melvinborg though the city. Mr. Krupp's Dummy saw our heroes though the window and turns to the audience with an evil laugh.