When Dot gets a bump on the head she forgets who she is, thinking she's named Cubie and likes to collect squares instead of dots.; Dot and Lotta compete with Dot's detective uncle to see who can capture a wanted criminal and collect the reward.; Lotta's Aunt Serena likes everything to be quiet and orderly, but she doesn't mind Lotta aggressively making sure that other people behave themselves.; Cousin Reggie visits Richie's zoo but he complains about everything until Richie scares him with a prank.; Dot's Uncle Branes invented dotted lemonade, but it has some strange side effects.