Steps:

1. Search for and navigate to a page containing video content (examples below)
2. Attempt to play the video

Expected Result:
The video plays

Actual Result:
A separate browser window appears, but fails to load the video for playback

Frequency - 5/5 times

Examples:
https://en.wikipedia.org/wiki/Franklin_D._Roosevelt (Collection of video clips of Roosevelt - under the media section)
https://en.wikipedia.org/wiki/Pulsar (Vela pulsar - X-ray light - under the gallery section)
https://en.wikipedia.org/wiki/Herbert_Hoover#Media (Brief synopsis of the Hoover Administration - under the media section)
https://en.wikipedia.org/wiki/Wikipedia:ABIM_January_2016 (2015 in review on Wikipedia - under week 4 section)