Alan's Brother - S4.E10

A man shows up at Pyramid claiming to be Alan's brother. It turns out that Alan has had had a brother who has been living in a mental hospital for the last twenty six years. Frank who seems to want to do no harm, other than annoy Alan seems content on counting things, jelly beans, files, dots on the ceiling, when he comes across a file that shows that he owns a company called AlanLand that owns 53% of Pyramid. With Frank in a home Alan created the company and made himself CEO, but with Frank out, he's now in charge. The group comes up with a plan to drive Frank back to the home and returning their original Lunatic leader back to power.