Tonton Streaming Dennis the Menace (1985) S1E8 - Here, Kitty!/Circus Berserkus/The Monster of Mudville Flats

Dennis brings home a stray kitten which Alice makes him turn over to the Wilsons. But the "kitten" is actually a baby mountain lion, which proceeds to wreck the Wilson's home. Things get worse when it's angry mother shows up, looking for its cub!. Mr. Wilson takes Dennis and Joey to the circus and ends up being the main event.