Littlest Pet Shop is the animated series based on Hasbro's toy line, first launched in 2012 and following Blythe Baxter and the pets she cares for in a city pet shop. Clips from the show circulate online as short reaction and greeting sounds, and this ni hao moment fits that pattern because the phrase is understood worldwide as hello in Mandarin. Fans and editors lift the line for introductions and cute character moments, which is why it lives on as a small, shareable soundboard clip.