Binky Rules & Meet Binky

Binky Rules: When graffiti stating "Binky Rules" mysteriously appears on the walls of the school, everyone thinks that Binky wrote it. Buster and Fern, who are well known for being good detectives, attempt to prove that Binky did not do it. After more investigating, they realize that the graffiti was done by an unknown band called Binky to promote their band. The episode features a song performed by Värttinä.
Meet Binky: Binky, the unknown band, has their first concert. Arthur gets to visit them backstage and struggles with whether or not he should bring his friends along and decides to bring them at the last minute. The gang get to meet Binky backstage because Arthur's father is catering for them. When they meet Binky, they realize that they are actually holograms.