On November 9, 2011, the first national test of the Emergency Alert System would be hijacked as an attempt to spread end-of-the-world propaganda. This video shows all pieces of evidence of these hijackings.
Timestamps (SPOILER ALERT):
0:00 Intro
1:04 Abnormal Ticker
2:33 PSA Intrusion
4:04 Commercial Break Error
4:52 WBLS Intrusion
6:06 Audio Error
6:45 National EAS Test Hijacking
11:27 FCC Apology Message
12:22 Outro