Dennis the Menace (1986)

Invasion of the Blob / Wild West Showdown / The Hen Party (1x22)

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Invasion of the Blob: An alien blob arriving on Earth in a UFO is scouting the planet so he can notify the following fleet if the planet is worthy of conquest. Wild West Showdown: While visiting a Wild West show, the Mitchell family catch a stagecoach robbery show, but Dennis and Ruff pursue the crooks believing it's a real robbery. The Hen Party: Alice is hosting a tea party for her friends and Mr. Wilson says he's not going considering the event is only for women, referring to it as a "hen party".