With Beverly's encouragement, Mr. Glascott moves in next door to the Goldbergs and slowly goes from friendly neighbor to cluelessly intrusive. Adam and Murray become increasingly disgruntled while Beverly comes up with a plan to occupy Mr. Glascott's time with a new friend, Mr. Woodburn. Meanwhile, Barry lands in urgent care with a case of poison ivy in a compromising area - his rear end. Erica and Geoff are called to task to take care of Barry and his ridiculous demands - inadvertently testing their parenting skills and patience with one another.

Senior Night is upon William Penn Academy, and Beverly soon discovers she is missing out on the ceremonial adoration presented to mothers with athletic children.  Much to Adam's embarrassment, Beverly pushes for her moment to shine with a kiss and a rose and encourages Principal Ball to establish a Non-Athlete Senior Night.  As Adam attempts to foil his mother's plans, Erica finds herself lacking any interested friends to appoint "pre-wedding fun captain." Reluctantly she engages her eager "sister-in-law to be" Joanna, who inadvertently doesn't meet expectations but ultimately proves herself worthy of being called sister.