Ep 6. The Last Tough Customer/Brain's Chess Mess

In "The Last Tough Customer," Arthur's gang is surprised to hear that Molly, the toughest kid in town and leader of the Tough Customers, is moving away. As they try to come to terms with her leaving, they each have a different approach to saying goodbye. Meanwhile, Molly is dealing with her own mixed emotions about leaving her friends behind and starting over in a new place. The episode explores themes of friendship, change, and the importance of being honest about one's feelings.

In "Brain's Chess Mess," Brain becomes obsessed with chess after reading a book about the game. He spends all his time studying and playing, even neglecting his responsibilities as a student council member. As he struggles to balance his new passion with his other obligations, he realizes that he may have taken his love for chess too far. The episode teaches the importance of finding a healthy balance between hobbies and responsibilities, and the dangers of obsessing over something to the point of neglecting other aspects of one's life.