LOGLINE: During a road trip in their space van to respond to a centures old distress call, the space travelers are fearful of a hitchhiker they continue to see along the path.
TAGLINE: Going my way?
The title "Cat's All Folks" is derived from the Looney Tunes cartoon endings that say, "That's All Folks". It's meant to suggest the impending doom of Will and Penny. The episode is a parody of the Twilight Zone episode "The Hitchhiker" which starred Inger Stevens and before that a radio play by Lucille Fletcher for Orson Welles’ radio program from 1941. This episode introduces one of Penny's doubles named Cosmo as ond of the cat actors. Katie Otten reprises her role as the talking raven, her original appearance as the raven was in the episode "You Had Me at Meow". Ninety-five percent of the short was filmed in the studio, and with the help of miniatures. William and Linda Newman used their drone for filming on location. Some of the Easter eggs that hint about future episodes consist of the MIT yearbook that shows Adele Clarke, who is a central part of the time travel episode "The Cat Came Back". Under the seat is Adele's old college books from when she was attending MIT in 1969. Will would later buy the van from her and Ziggy when they were older in the present day. The van itself is a 1965 Ford Econoline that was bought for the series and restored as a hippie van. Also in the van is a detective book of short stories with one of them being Schrödinger's Cat. References to 1960s television shows includes the crashed spaceship similar to the one in the "Lost in Space" episode "Wish Upon A Star", and the alien wore a slighly modified mask which was like the one used in the Star Trek episode "Spectre of the Gun". At the table Will is reading the book "What is Life?" by Erwin Schrödinger and Penny was reading a comic book about time travel, and one of her other books was "The Cat Came Back-It's About Time".

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