There is a message in "You from the Stars" that the last episode of the small theater will be broadcast on March 4. What is a small theater? Is it a trailer? time

A small theater, also called an egg, is an interesting detail or humorous scene at the end of a movie or every episode of a TV series. It can be a supplement to the previous plot or a clue related to the later plot. It is named "egg" because there are usually surprises. There is a small theater in the last 3-5 minutes of each episode of Star You. Not a trailer.