The final appearances of Beverly Hofstadter (Christine Baranski), Denise (Lauren Lapkus), Anu (Rati Gupta) and the Comic Book Store.
Title reference: Leonard and Beverly finally find closure for their difficult relationship. This is also the concluding episode for Leonard's mother on the show.
Stuart says that Denise's roommate Mitch is sort of "creepy". Todd Giebenhain, who plays Mitch, had played a serial killer in The Eyes Have It (2009).