The story concept
An animated burrito becomes a tiny DJ inside an oven, then the scene snaps back to an ordinary warm lunch. The dance party is cartoon fantasy. It is not a cooking demonstration.
What the source actually says
The FDA explains that microwave energy is absorbed by food and converted into heat. The agency says microwave cooking does not make food radioactive or contaminated.
Where the evidence stops
This answers the radioactivity myth. It does not mean every container or cooking method is safe. Use microwave-safe cookware and follow the oven and food instructions. The tiny DJ booth and equipment are imaginary; do not put electronics or props inside a microwave.
The useful takeaway
A microwave can heat your burrito. It will not turn the food radioactive. Treat the dancing burrito as a joke, and cook and handle food according to its instructions.