Nichijou Episode 4 Direct

Frustrated, she dumps the entire bottle. The solution turns a violent, glowing purple and begins to hiss. Mio screams. Mai, emotionless, pulls out a tiny fan and points it at the beaker.

Nano, the robot girl, is trying to buy a juice from a vending machine. But her large wind-up key on her back gets stuck in the coin return slot. She is now attached to the vending machine. The Professor watches from a distance, eating a popsicle. Nichijou Episode 4

A small mushroom cloud rises from the beaker. Yuuko’s hair is now standing straight up. Sakamoto (the talking cat who lives with Nano and the Professor) walks by the window, sees the explosion, and simply says, "Another Tuesday." Frustrated, she dumps the entire bottle