Two episodes earlier in Match Game (2004), Charlotte told Frasier she was living with her mother. In this episode, when he cooks dinner for her she is living in her own apartment.
When Charlotte meets Frasier for dinner, she places her dating binder down on the table and on top of one end of her fork, causing the other end of the fork to stick up. In subsequent shots the fork alternates between being in this position and flat on the table.
Martin explains how Lil' Q-Pid's ring was a toe ring. Then reclines in his chair. The camera changes and Martin reclines again.
When Frank is admiring the wild flowers and lists the varieties, he says "fine-toothed penstemon" while actually handling the harsh paintbrush. The blue flowers are penstemons.