Throwback to 1994 when the Flintstones movie came out. RocDonalds (yes, McDonalds was all in on the tie-in), introduced the McRib to their stone age menu.

Here are a few samples of their commercials from this time
https://www.youtube.com/watch?v=NY3h2i4jJIo

https://www.youtube.com/watch?v=AmLOUSqsciA

Post in the comments below if and what you remember of the 1994 McRib.