New Linoones that stop and fidget frequently while running, because they were so used to running in zigzags.
Golbats who gain eyesight and fly into their trainer’s faces, excited to get a good look at them.
Tangrowths rearranging their trainer’s homes after learning what arms and hands can do.
Unprepared trainers of Slakoth who come back home to shredded cushions, broken objects, and a newly evolved Vigoroth; then adjusting their entire schedule to be more active.
Noctowls slowly unlearning standing on one foot
Scizors still instinctively slashing their claws
Arcanines accidentally knocking over their trainer the first time they try and lick them.
Pokemon of all types adjusting to new heights and weights, discovering they no longer fit their favorite spot, or have to be more careful with their trainers.
Noticing your Parasect acts very differently than your Paras did…