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When Sam falls ill, the others all want to take over the leadership role from him. Monty wins the votes by making impossible promises... and finally learns that keeping his friends' word is the key to keeping them.

Gabriella believes that everyone can work better with music. Monty disagrees, but he discovers a passion for conducting. He then conducts a special choir Monty & Co.

Monty makes a boat out of cardboard boxes. When Eddie and Lulu want to join him, Monty proclaims himself Admiral, and the others take on the role of crew. After doing all the work, they stage a mutiny and abandon Monty on an imaginary island.

Lulu feels ignored, then gets into trouble and hides. The others think she has run away. Lulu hears Monty say how much he loves her, and comes out of hiding. She learns that she must talk about her feelings.

Lulu pretends to be a pirate. Monty accompanies her on a treasure hunt through the house. They discover that treasure doesn't have to be gold and jewels, but can also be precious moments spent together.

Monty asks for silence so he can work. When Ding's bell stops working, Monty fears he is responsible for his wish. Fortunately, Eddie solves Ding's problem with a little oil, and Monty's with headphones.

Lulu doesn't see why she should go to bed before everyone else, just because she's the youngest. Despite Monty and Eddie's best efforts to get her to bed, Lulu does everything she can to stay up.

Lulu trusts Monty to babysit her dolls, but he discovers that it's not as easy as that. He struggles to put the dolls to bed, then they disappear. But the story has a happy ending.

When her favorite tiara goes missing, Gabriella is upset. After finding it and being praised, Monty opens a lost and found office. But when he finds that few items get lost, he decides to do something about it.

Mrs. Bruine goes to Monty & Co. to see if they deserve to get her old stuff. While Monty, Eddie, Lulu and Jack try to make a good impression on her, Mrs. Bruine is surprised by Charlie and mistakes him for a burglar.

Gabriella decides that the color yellow brings joy, but blue makes everyone sad. So she tries to rid Monty & Co. of all shades of blue, which upsets everyone. Happy conclusion: all colors are beautiful.

Lulu wants a pet but doesn't know which one. She tests different types of pets using Scargot, Gabriella and Monty, but none of them suit her. Lulu decides she prefers her stuffed dog, who does what she asks.

When a customer brings a broken clock to Monty & Co. Eddie fixes the item and the customer leaves happy. Eddie and Gabriella try to help Monty by posing as customers.

Lulu, Eddie, Scargot, Monty and Gabriella all have problems. Mrs. Drizzle suggests that they form a line so that she can take turns talking to them. Somehow, Monty always ends up at the back of the line.

Monty wants to show Scargot his room, but he wants to get there as quickly as possible. They decide to make a game out of it where they all try to find different ways to move Scargot the snail.