5. ICONIC CLIFFHANGER
"Dallas"
Third season finale, March 21, 1980
"A House Divided"
Let's get this one out of the way, shall we? No list of season finales would be complete without the "Who Shot J.R.?" episode, which was the cliffhanger of all cliffhangers. Every Friday, daytime soaps ended with a little mystery, to be picked up on Monday. But this mystery left the country dangling and guessing gleefully across an entire summer. Who did shoot J.R.? It was Kristin Shepard, J.R.'s sister-in-law and mistress.
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