Don't Look a Gift Horse in the Mouth (a.k.a. Gift Horse) - S1-E8
Continuity mistake: When the landlord is banging at the apartment door, his cardigan changes from blue to brown, and from unbuttoned to buttoned. (00:04:15)
Revealing mistake: The purple dress that Micky and Davy bring for Mrs. Weefers to wear is too big for her, showing that the dress was made specifically for Micky to wear.
More trivia for The Monkees
Your Friendly Neighborhood Kidnappers - S1-E4
Question: When the Monkees are locked in the downstairs bedroom and they are planning to escape, where does Mick get the lab coat and the chemical bottle from which he plans to use to scare the evil people into letting them all leave?
Answer: The Monkees TV series was very much a fantasy (this was the "groovy" psychedelic 60s, after all). Impossible things, such as items appearing out of nowhere, happened on their show without explanation all the time.
Jean G