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Melody of the Underground Passage
When Kabapu sends Watanabe and his colleagues to investigate the sewers surrounding the Across base, Ilpalazzo dispatches Excel and Hyatt to deal with the intruders. However, even as the duo familiarise themselves with the Across security system, they discover a far more sinister breed of intruders lurking in the sewers- an army of Puchuus led by the nefarious Puchuu Queen! Will Excel and the others be able to stand against this overwhelming cute force of evil?
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Other episodes for this season
![The Koshi Rikdo Assassination Plot](https://image.tmdb.org/t/p/w300/vcaFJGcqyJv1HGqsZfefeAUIEOH.jpg)
![The Woman From Mars](https://image.tmdb.org/t/p/w300/ptXP0qrmnSI7bd5qVrah4vopBEb.jpg)
![The Sacrificial Lamb of the Venomous Great Escape of Hell](https://image.tmdb.org/t/p/w300/cUOwtJ8RcBJz8nsfixybEh7bc7a.jpg)
![Love Puny](https://image.tmdb.org/t/p/w300/wVjiMf2TsJM9ih02gucFiTuVPZa.jpg)
![The Interesting Giant Tower](https://image.tmdb.org/t/p/w300/ubq7GZp4d82n05ztzAHJkNZTrKU.jpg)
![The Cold is Winter! Snowed Under Episode](https://image.tmdb.org/t/p/w300/gVpKxsdkjazyrkPvwLNzHohZOp6.jpg)
![Melody of the Underground Passage](https://image.tmdb.org/t/p/w300/qzk0XyiGm1EONBpErY6Sbq2hFlX.jpg)
![Increase Ratings Week](https://image.tmdb.org/t/p/w300/fI41bQS78cEF0dnXltxTtIVMlKQ.jpg)
![Bowling Girls](https://image.tmdb.org/t/p/w300/22xpvHhT2YTuR0Sq8nrhE3JgCiM.jpg)
![Menchi’s Great Adventure](https://image.tmdb.org/t/p/w300/7EqDQIs1h9RduMzm57rk9BLLk5q.jpg)
![Butt Out, Youth!](https://image.tmdb.org/t/p/w300/uWFcyxwOCKUKwqwIlKIbp72XIth.jpg)
![Big City Part II](https://image.tmdb.org/t/p/w300/OD9fsaX5FCFwpe5D1TGIPux0NY.jpg)
![The New Year’s-Year End Hidden Talent Contest](https://image.tmdb.org/t/p/w300/jhvJqABP3Yt5sT5unE3a7puYik8.jpg)
![Prop](https://image.tmdb.org/t/p/w300/tw97lD7yjg1EaucB13nkAE4ysah.jpg)
![More! Prop Memorial](https://image.tmdb.org/t/p/w300/a0el1CnsxHZr6fASjzQxLQgbmwO.jpg)
![Take Back Love!](https://image.tmdb.org/t/p/w300/8ac04jhRDbnetvwYo76QHsT10pW.jpg)
![Animation USA](https://image.tmdb.org/t/p/w300/bFoMztEjoTmLo1dQ1jkQuHvF3TE.jpg)
![Municipal Force Daitenzin](https://image.tmdb.org/t/p/w300/r2KPkm4N7sSBphlAECjm0Soakul.jpg)
![Menchi’s Great Adventure 2: Around the World in 80 Hours](https://image.tmdb.org/t/p/w300/o3ThayErdjvH7aTnbpKgl0lQ8IS.jpg)
![The Best of Mr. Pedro](https://image.tmdb.org/t/p/w300/6tpbFhB1JSxDtjPeJuSZe9LZKBi.jpg)
![Visually Appealing Type](https://image.tmdb.org/t/p/w300/l0AuPJKOTQdDIVRLiAVKaKp40v.jpg)
![Invasion, Mother](https://image.tmdb.org/t/p/w300/yI06cVvMBagLNoxyYB6qdEO2FRx.jpg)
![Legend of the End of the Century Conqueror](https://image.tmdb.org/t/p/w300/3uStBCQvWJjVmP3XlxbZxIhVEGt.jpg)
![For You, I Could Die](https://image.tmdb.org/t/p/w300/9e5cZmrMbgNoumEGNBkEieWXCNr.jpg)
![We Will Not Be Held Responsible](https://image.tmdb.org/t/p/w300/244Zq7VOnp4NoCB4TpGLi9x9iAn.jpg)
![Going Too Far](https://image.tmdb.org/t/p/w300/jNYsVN4R78jeJVzATG4NocUSn4H.jpg)