Anyamal Tantei Kiruminzoo episode 3

It aired on Monday, 19 October 2009.

Being Loved By A Stray Cat!?

While playing with Ken and Kanon, Riko is annoyed by a strange male cat named Busaneko. He follows her into the classroom and she's scolded by Ms. Rumiko. The 3 siblings' mother, upon returning from overseas, finds out that they've used Kirumin... but she just says, "Don't tell your dad!"