My Dad came up to visit for a couple days while he was moving my sister out of her dorm room and back home for the summer (I miss her). Jackson got a BIG smile on his face when his G-pa came out of the guest room that morning. He definitely remembered him and was so excited to play with him.
Here they are having fun together:
And here they are both drifting in and out of sleep because I was taking too long to get ready for the lake: