Breakthrough: The Ideas That Changed the World (2019)

Episode Overview

Disappointed by their lack of prom dates, Holly and Tina decide to host an Anti-Prom, completely devoid of decorations, formal attire, and the traditional prom royalty. Their idea attracts all the date-less attendees, but Holly's spirits plummet when Henry arrives with Kate. Meanwhile, Val grapples with uncertainty upon receiving an invitation to Rick and Julie's wedding. She attempts to decipher the postmark to determine if it was sent before Julie's "no contact" rule came into effect, but the smudged mark leaves her in doubt.