Mettaton
Mettaton is Hotland’s robot celebrity whose shows double as boss encounters in Undertale.
Show bosses
Quiz, cooking, and stage segments mix entertainment with bullet patterns. Ratings and ACTs matter — especially for Mettaton EX on peaceful clears.
Peaceful clear
Follow Alphys’s on-screen tools, raise ratings, and avoid a kill if you want Pacifist flags intact. See our Mettaton EX guide post for a short checklist.