The Adventures of Teddy Ruxpin Season 1 Episode 64 L.B.'s Wedding

Teddy and Grubby show the Crystal Book to Ilana, who thinks she's seen the strange lettering somewhere before. After removing stacks of dishes from a china cabinet, Ilana produces a tray with a window made of crystal and lettering like that of the book. Teddy places the tray over the book, and the letters become readable.