: In a more grounded story, Leonard, Howard, and Raj clean out a deceased professor's office. Finding an unopened 50-year-old bottle of champagne—meant for a discovery that never happened—forces them to face the reality that not every scientist leaves a mark. This "A plot" is widely considered the episode's strongest for its uncharacteristic sincerity.
This episode is a "good, not great" entry that succeeds by letting characters step back from the usual gags to evaluate their lives. The ending, where Sheldon obliviously pops the "discovery" champagne to celebrate a single YouTube comment, is a perfect, bittersweet closing note.
: Sheldon and Amy bid a "tearful" farewell to their web series. This subplot is a treat for long-time fans, featuring a hilarious "best-of" montage including Amy in a kangaroo suit and Sheldon as Betsy Ross. TV Fanatic , however, found some of the darker jokes, like the swastika gag with LeVar Burton, to be a bit much.