The Finishing Line (British safety short)

[Pastor of Muppets]

It's a 1977 Britsh short film about train safety, and it's really twisted.  It features a bunch of children participating in a series of competitive events around some train tracks, with each event resulting in some number of children being killed.  It makes "Play Safe" look happy and fun. 

https://www.dailymotion.com/video/x2zzlex

[Pastor of Muppets]

What a coincidence.  A month after I suggest this, they release this as part of Grimtrax volume 2.