May's kiss to Ed was one of only two onscreen kisses in the series; the other was Eddy's kiss to Edd in 'Your Ed Here'.
In the Latin Spanish dub, Eddy brings up Paquita la del Barrio, a Mexican singer.
In the Latin Spanish dub of "Ed Overboard", Ed sings 'Pobre leña de pirul'.
One rejected idea in One of Those Eds was when it was Rolf's turn to try and get the quarter off the ground was to eat a can of beats and gained a Popeye esque power up, with his biceps becoming goats and flexing his tongue which projected an image of a tractor.