Free PC game (Windows/Linux/OSX) called "Computer, Open That Door!" where you play the AI of a ship that's gained sentience, and you have 20 star system jumps to rid your ship of crew (biohazard) before they wipe your memory core.  http://plaw.itch.io/computer-open-that-door

April Fools brings some great product advertisements.  Here's a few I enjoyed:
Rustic Weave Artisanal Toilet Paper: https://youtu.be/vRlBtabKRFM
Google Self-Driving Bike: https://youtu.be/LSZPNwZex9s
T-Mobile Binge-on-up: https://youtu.be/aqlU30jBDH8
Virgin Australia "Kid Class" airline seats: https://youtu.be/IB5p-G3aIOo
Teach Your Dog to Code: https://youtu.be/4AIhx-NcAUo
Burger King Single Wrapped Fry: https://youtu.be/mheyvx1kVJQ
iFixit Smother Bag: https://youtu.be/u1RPIwBWHHM
Plus a couple ThinkGeek products I wish existed:
Steam-Powered Steam Machine: http://www.thinkgeek.com/product/iljn/?srp=2
Useless Light Switch: http://www.thinkgeek.com/product/ivlq/?pfm=HP_FeaturedProducts_2_ivlq

If Meat Eaters Acted Like Vegans: https://www.youtube.com/watch?v=z0O_VYcsIk8

Every TED talk ever (not literally) https://youtu.be/_ZBKX-6Gz6A

Beating Shabadu to the punch   Honest Trailer for The Watchmen:
https://youtu.be/QxCf11i-rX4

I had not seen this before, but it's a great explanation of why the Death Star was flawed: https://youtu.be/agcRwGDKulw

Just... going to leave this here.  If you decide to watch it at work, maybe use some headphones. Best case scenario, it will make your co-workers think you're weird. Some might actually be offended.
https://www.youtube.com/watch?v=-YU0qK1MZyU&index=1&list=PLXMeS6oo29KJpzkEfoki4_XjBfDPBwmAy