The Baby (S05E06)

While secretly babysitting during the day, Maggie accidentally reveals her activity when Arthur spots her crafting a tiny bootie. Mistakenly believing she has snatched the baby from the store, Arthur's confusion escalates. When Robert and Liz pay a visit to see the baby, a letter addressed to Robert that Maggie received raises suspicions. Arthur, and later Liz, start to think the baby might actually belong to Robert. Can Arthur uncover the truth behind Maggie's secretive actions?