In "Forget-Me-Smurfs", the name of the forget-me flowers is a play on the name of the real life forget-me-not flowers.
"Forget-Me-Smurfs" is one of the few episodes in which Azrael appears without Gargamel.
In "Forget-Me-Smurfs" Sickly Smurf and Mother Nature are the only characters who weren't affected by the forget-me-flowers.
In the syndicated version of "Forget-Me-Smurfs" the episode cuts the scene where the Smurfs do strange activities in the village, such as Farmer and Handy playing with their tools, Greedy attempting to have Jokey's present as food, and Sickly saying how awful he feels and wants to be in bed before finding Mother Nature.