What was the first ever MST3K episode you remember watching?

What's the first episode you remember watching and what's something that stuck with you? ^ ^

I was thinking about this the other day... I can't say for sure it was the very I ever saw, but the first I remember was- Time of the Apes (Episode 306, not the earlier version). I saw it when I was a kid and for years I assumed it was actually part of the Planet of the Apes series. My sister and I were gradually watching all of the classic Planet of the Apes movies with our dad in the early 2000s and I was legit excitedly waiting to see the one MST3K riffed on. I mentally merged it with Battle of the Planet of the Apes and was shocked to find out the truth.

As some runner ups, I distinctly remember Godzilla Vs Megalon and Eegah being among the first I saw, but Apes takes the earliest spot.

Bonus fact... As a kid growing up in the 90s, I legit did not realize Joel and Mike were two different people. I would zone out during the host segments and only paid attention to the theater. It wasn't until my 20s that I realized the cast changed over time. Haha...