The Riddler made a total of 8 appearances in the first season. They were Hi Diddle Riddle, Smack in the Middle, A Riddle a Day Keeps the Riddler Away, When the Rat's Away the Mice Will Play, The Ring of Wax, Give 'em the Axe, Death in Slow Motion & The Riddler's False Notion. (edit) This is the second time this season Aunt Harriet Cooper celebrates her birthday. The first was in Batman Stands Pat. (edit) The ledge used here as part of The Chessman Building will be resued as part of Police Headquarters a Season 2 episode called Tut's Case is Shut. (edit) Batman makes reference to The Batcopter in this episode. The Batcopter will appear for the first time in the 1966 Batman movie. (edit) Watch for Commissioner Gordon in The Batcave once more in a Season 3 episode called The Wail of the Siren. (edit) The Riddler debuted in Detective Comics #140 (October 1948), and became perpetually forgotten in the Batman comicbook realm until Frank Gorshin's over-the-top, Emmy-nominated portrayal of The Prince Of Puzzlers virtually made him a star overnight on the Batman TV series, as he made the most appearances of any Batvillain in its first season: 8. (edit)

Robin: Holy molars! Am I ever gonna take good care of my teeth!
Batman: True. You owe your life to dental hygiene! (edit)

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When Robin is on the building's edge, the announcer mentions Harold Lloyd. Silent comedian, Harold Lloyd's most famous movie was the 1923 Safety Last in which Lloyd clutches the bending clock hands on the side of a building as he dangles from the outside of a skyscraper above moving traffic.
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