Episode Title:
The Prism of Zenda.
Episode Description:
Lady Baden-Baden allows Cyril Sneer to use her priceless diamond, The Prism of Zenda, to be used in a big-budget movie funded by Cyril himself. But when the prism disappears, it's up to Bert to find it, while Cyril distracts Mr. Knox and Lady Baden-Baden from finding out that the prism disappeared.
