I GM'd multiple sessions of SFS 6-06 and the SFS Special at Indy.
My most memorable table was a family of 6 with generics. Two 10ish year- old boys, their father and his two brothers, and their dad/grandpa. A three-generation table!
All were first time Paizo players and used pregens. The three brothers' goal was to introduce the two boys to roleplaying. SFS was the bait, I played the hook, and they planned to reel them in!
It was a great table - lots of banter between brothers and uncles/nephews, support of each other, and a really good time by all. 6-06 was a perfect intro to SFS with a great cast of memorable NPCs, diverse encounters, and ways for PCs to (literally, in one encounter) take center stage shine.
They took pictures of the various encounters and of each other having fun during the session, and all grabbed Organized Play numbers. After the session they debated who the best First Seeker candidate cast their votes.
No memorable single event or encounter, just a really fun and rewarding table to be a part of.