Next Door is the fortieth episode of Season 2 of The Mr. Men Show.
- Mr. Grumpy and Mr. Happy's plot: Mr. Grumpy is constantly annoyed by Mr. Happy, his neighbor, who asks him to borrow or use some of his things.
- Mr. Strong's Plot: Mr. Strong does an ad for being good neighbors, but fails miserably. (Not in UK)
- Mr. Nervous and Little Miss Scary's Plot: Mr. Nervous is scared of having to do Miss Scary's house chores while she's away.
- Mr. Rude and Little Miss Bossy's Plot: Mr. Rude, being his rude self, parks his car in Miss Bossy's driveway. Miss Bossy isn't very happy, and hires a tow truck to move it!
- The transcript for Next Door can be seen here.
- Little Miss Scary has an iPhone in this episode.
- Little Miss Bossy is Mr. Rude's new neighbor; Little Miss Chatterbox was his old one.
- Scenes from this episode were leaked a month prior to the second season's premiere on Dagan Moriarty's animation reel on YouTube.
- Little Miss Chatterbox mentions that, except for corn, she dislikes canned foods, referencing a previous episode where she fussed over her can of corn being full of snails.
- In the United States dub, Mr. Rude's automobile is referred to as a truck, while in the United Kingdom dub, it's simply referred to as a car.
- When Little Miss Bossy shouts "who's truck is that?" in the dub, it is changed to "my...driveway's blocked!" with an awkwardly placed pause.
- Little Miss Bossy asking for Little Miss Chatterbox's cellphone is changed to her asking for her mobile.