The Flintstones S06 E04 Disorder in the Court

"Yabba Dabba Doo!"

A criminal named ""The Mangler"" vows revenge on Fred, the foreman of the jury (which included Barney) who put him away. When the criminal escapes from prison, the Flintstones and the Rubbles go into hiding. Through a series of mishaps, Fred actually manages to recapture ""The Mangler.""