Season 1 Episode 30- The Case of the Eiffel Tower Holmes, Lestrade and Dr. Watson follow a trail to the Eiffel Tower, crossing the lines of an espionage team who seek the very coin they had, but lose it to a lady. Once they track the coin down, they cause a riot in order to summon the police.
Season 1 Episode 27- The Case of the Perfect Husband Russell Partridge, a rich and respectable art collector, threatens to kill his wife at nine o' clock on their first wedding anniversary. She doesn't know if she believes him, and Lestrade doesn't either. Holmes takes the threat seriously.