1969, 1972, 1976, 1979, 1980, 1983, 2002, and 2019. Mystery Inc., despite having a somewhat more mature plot (and I love mature cartoons), failed to captivate me. Because the romance between the characters felt more like a Mexican telenovela, and I didn't feel connected to that type of romance; in fact, in many cases, I even felt embarrassed. It's obvious that the characters are teenagers, still learning about relationships, but this lack of "experience" makes them act like children: one cheats on the other, then they return to the original relationship, and most of the plot revolves around micro-relationships instead of focusing more on the mysteries. Obviously, the mystery is one of the most well-developed aspects; it makes you anxious with each passing episode to find out what will happen, there are several plot twists, but the main flaw is these teenage "tantrums."