- In episode 20, Rimu meets a boy named Akito, who she gets a crush on. At the end of the episode he announces he's moving to Britain with his parents, and the episode ends with Rimu waving goodbye to Akito with tears in her eyes. It's very heartbreaking to see.
- In episode 34, Nagisa is treated to a vision of what happened to Pars' family. She becomes so saddened that she was about to cry.
- In episode 47, Haruka tries to talk things with Misa, she talks about how Marianne believed that every creature is the same. Misa suddenly remembers how upset she was when she was a panther when her parents were bats. Before Haruka leaves, she gives her a locket of young Misa and Marianne. Ater Haruka leaves, poor Misa starts having a breakdown over all of it.
- Episode 48. When Riko and Ken were inside Futatsugi's underground maze, Ken's mouse transformation surpassed 99 minutes. When Riko found out she started pannicking and praying for mom to help him come back to normal. After she is told of what to do, she tries to remind Ken of what he is, and what he does, and what he thinks of everything.
Tearjerker / Animal Detectives Kiruminzoo