Arthur Babysits & Arthur's Cousin Catastrophe

Arthur Babysits: Arthur thinks that babysitting is the easiest job in the world until D.W. volunteers him to Tommy and Timmy Tibble. Prunella describes her sister's only time babysitting them as an experience that still gives her nightmares. Arthur can not control the Tibble twins and thinks he loses them while playing hide-and-seek but scares them out of hiding and into a scared but manageable state.
Arthur's Cousin Catastrophe: Arthur's family is hosting a family reunion. Arthur spends his time avoiding his cousin Mo, and missing out on all the activities, because of experiences from past family reunions but finds out that she is not as bad as she used to be.