B.E.R. is a rock band who debuted in chapter three of the Night Begins to Shine four-part special. They are most known for their song, The Night Begins to Shine. Carl, the drummer, is mostly bald with three strands of hair at the back of his head. He wears a black shirt and blue jeans. When he gets transformed, he changes into a large space robot that wears a belt buckle that has a "B" on it.
| Episode |
Teen Titans Go! The Night Begins To Shine - Chapter Five: You're The One |
2020 |
| Episode |
Teen Titans Go! The Day the Night Stopped Beginning to Shine and Became Dark Even Though It Was the Day - Chapter Three: Playing Hard to Get |
2017 |
| Episode |
Teen Titans Go! The Day the Night Stopped Beginning to Shine and Became Dark Even Though It Was the Day - Chapter Three: Playing Hard to Get |
2017 |
| Episode |
Teen Titans Go! The Day the Night Stopped Beginning to Shine and Became Dark Even Though It Was the Day - Chapter Four: The Night Begins to Shine |
2017 |