The surprise cameo in the May 6 finale follows appearances by 'Big Bang Theory' alums Mayim Bialik and Kunal Nayyar in previous episodes

Note: This story contains spoilers from "Night Court" Season 3, Episode 18. After following the dating life of judge Abby Stone (Melissa Rauch) across three seasons of "Night Court," viewers were in for a surprise when when "Big Bang Theory" alum Simon Helberg introduced himself as Abby's husband in the Season 3 finale.

As the comedy awaits a renewal, what does this major plot twist mean for its future? Plus, Rauch opens up about having more 'Big Bang Theory' stars back on set.