worst gym battle/ worst battle in general

what do you think is the WORST battle in the anime?

here is mine: wallace, boy, what where the anime thinking… first, if wallace were a former champion, the battle would be fully shown not offscreen. second and most importantly, HE IS THE REASON ASH AND SERENA DIDN'T GET A PROPER MEETING!!! I MEAN COME ON! THAT TOOK ALL DAY, ASH BASICALLY MISSED THE POKEMON SHOWCASE TO CHEER FOR CHLOE. so once ash and serena had the chance to talk again, the ferry left! seriously… why… WHY TPCI!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!