Shares: 2.1 million This coffee shop gets paranormal as part of a marketing campaign for Carrie.
Shares: 418,023 The title really says it all, here.
Shares: 320,611 GoPro offers another epic outdoor video showing off its product.
Shares: 258,145 It wouldn't be a most-shared ads list without the Geico "Hump Day" ad.
Shares: 241,781 It may not have as many views as the other GoPro ad, but this video of firemen rescuing a kitten is far more moving.
Shares: 237,310 Samsung's Galaxy Note 3 and Gear smartwatch launch was one of the biggest tech events of last month, and this hands-on video got passed around quite a bit.
Shares: 225,156 Leave it to Crest to ruin Halloween by pushing healthy treats to kids.
Shares: 205,327 Virgin America's sassy airline-safety ad will make you dance in the aisle, which might be counterproductive.
Shares: 187,677 What do birds have to do with Mercedes? We don't know, but this ad still makes us smile every time.
Shares: 178,099 Pepsi created a mini-movie about a pair of old men who show up a group of young kids on the basketball court.
Shares: 164,278 This animated short will make you want to head down to the nearest comic shop.
Shares: 129,566 Learn valuable life lessons, such as "Don't poke a stick at a grizzly bear."
Shares: 129,451 This may not be quite what the late Lou Reed had in mind when he wrote "Perfect Day," but it makes for a fun ad.
Shares: 107,560 Nothing is quite what it seems in this Honda ad. You'll want to watch it a couple of times.
Shares: 105,386 The animated series pays tribute to Top Gun.
Shares: 104,431 If you've been using Playstation since the early days, you'll get a kick out of this ad.
Shares: 82,734 LG uses a chicken to show off its new stable cameras.
Shares: 78,988 This concept video touts the idea of an environmentally friendly phone that could be taken apart into blocks. As it happens, Motorola unveiled a similar concept recently, called Project Ara.
Shares: 74,749 Microsoft recruited some celebrities, a giant robot and a zombie to promote the launch of Xbox One.
Shares: 71,181 These tots have moves.
You know it's been an interesting month in the marketing world when one of October's most-shared ads centers around a woman talking about her bowel movements.
Last month's top ads included a paranormal coffee shop, a moving kitten rescue and a very sassy airline video. It also featured PooPourri, a product that aims to disguise the fact that women do go number two.
Watch the entire video gallery, above, which was compiled by Unruly.
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Image: Flickr, HondaVideo