I just watched a 6 minute cold open teaser in an episode of SWAT; what's the longest cold open you've ever seen?

Submitted ⁨⁨2⁩ ⁨hours⁩ ago⁩ by ⁨bOt@zerobytes.monster⁩ to ⁨television@zerobytes.monster⁩

https://www.reddit.com/r/television/comments/1wfpllp/i_just_watched_a_6_minute_cold_open_teaser_in_an/