Tatsumi is a high school student who lives on his own, until a merman named Wakasa takes up residence in his bathtub. His solitary lifestyle is turned upside down by the self-centered (but handsome) new roommate.
You can now watch Merman in My Tub online on the following streaming providers in the United States.
| Title | Air Date | Duration | ||
|---|---|---|---|---|
| Season 1 | Episode 1 | The Special Situation In My Bathtub | 2014-10-06 | 4 min |
| Season 1 | Episode 2 | The Severe Circumstances of My Household Budget | 2014-10-13 | 4 min |
| Season 1 | Episode 3 | The Circumstances of Wakasa's Friends: Takasu Edition | 2014-10-20 | 4 min |
| Season 1 | Episode 4 | The Circumstances of Wakasa's Friends: Mikuni Edition | 2014-10-27 | 4 min |
| Season 1 | Episode 5 | The Halloween Circumstances of my Household | 2014-11-03 | 4 min |
| Season 1 | Episode 6 | The Circumstances of My Bubbles | 2014-11-10 | 4 min |
| Season 1 | Episode 7 | My Sibling Circumstances | 2014-11-17 | 4 min |
| Season 1 | Episode 8 | The Trendy Circumstances of Modern Men | 2014-11-24 | 4 min |
| Season 1 | Episode 9 | My Naked Circumstances | 2014-12-01 | 4 min |
| Season 1 | Episode 10 | The Circumstances of Wakasa's Friends: Maki Edition | 2014-12-08 | 4 min |
| Season 1 | Episode 11 | The Seven Transformations of My Bathtub Circumstances | 2014-12-15 | 4 min |
| Season 1 | Episode 12 | Home Alone Circumstances | 2014-12-22 | 4 min |
| Season 1 | Episode 13 | The Circumstances of Wakasa's Employment | 2014-12-29 | 4 min |
| Visual Effects | Koji Haneda | Character Designer |
| Writing | Yuniko Ayana | Series Composition |
| Sound | sono | Theme Song Performance |
| Writing | sono | Lyricist |
| Sound | ayame | Theme Song Performance |
| Sound | ayame | Songs |
| Writing | Itokichi | Comic Book |
| Crew | Tasuku Ishibashi | Special Effects |
| Directing | Sayo Aoi | Series Director |
| Art | Kouki Nagayoshi | Art Direction |
| Visual Effects | Koji Haneda | Supervising Animation Director |
| Art | Hiromi Bando | Art Direction |
