Batman - Season 3 - Eps 25: The Entrancing Dr. Cassandra
Dr. Cassandra and her husband Cabala are behind a string of invisible robberies, thanks to their camouflage pills. When Batman, Robin, and Batgirl attempt to stop their next theft, the crooks turn them into 2-dimensional figures with their ray gun. Dr. Cassandra then begins work on her final plan - releasing all the super criminals from prison to join her invisible force.
About Batman

Title: Batman
First Air Date: 1966-01-12
Last Air Date: 1968-03-14
Status: Canceled
Rating: 7.3/10 (from 547 votes)
Language: EN
Seasons: 4
Total Episodes: 120
Network: ABC
Genres: Sci-Fi & Fantasy, Comedy, Action & Adventure
Production Companies: 20th Century Fox, Greenway Productions
Synopsis
Wealthy entrepreneur Bruce Wayne and his ward Dick Grayson lead a double life: they are actually crime fighting duo Batman and Robin. A secret Batpole in the Wayne mansion leads to the Batcave, where Police Commissioner Gordon often calls with the latest emergency threatening Gotham City. Racing to the scene of the crime in the Batmobile, Batman and Robin must (with the help of their trusty Bat-utility-belt) thwart the efforts of a variety of master criminals, including The Riddler, The Joker, Catwoman, and The Penguin.
Cast

Adam West
Batman

Burt Ward
Robin

Yvonne Craig
Batgirl

Neil Hamilton
Commissioner Gordon

Stafford Repp
Chief O'Hara

Alan Napier
Alfred

William Dozier
Narrator (voice)