Trail Boss Barney: Three children try to build a pretend farm, but have a hard time working together. Barney takes them to a ranch to show them how all the people there have to work together to keep things running smoothly. The children learn about cooperation and fun on a ranch, and even get to meet a celebrity cowboy cook! Educational theme: Working together. Music curriculum: Singing about animal sounds. Get Happy: Barney, Baby Bop, BJ and Riff discover a sad little girl in the park one day and try to cheer her up. Nothing seems to work, so Riff invents a Happiness Machine. In the end, it is her friends who made her happy, not the machine at all! Educational theme: Caring, emotions, feelings.