I don't have a video but i noticed it in my last game of league, the bug is 
would eat 
turret and sometime it would register as tahm eating it, and let him carry the turret around and other times it would just leave the turret right where tahm first ate it, and the turret would still be firing and you could not destroy it until the max timer for tahm's W would end. This is in patch 5.21 It is minor, I can elaborate further if need be.
DrCyanide1 votesIt's an odd bug with Tahm's interaction with dying minions that's been there since his release (seems to happen when the minion would die to an attack right as Tahm eats it). I was terrified when I was the Tahm and created an unlikable enemy minion at the base of our tower early game thinking I'd lost us the lane right then and there. Heimerdinger's turrets are a bit more problematic to have invulnerable though.
KłedGod1 votesCan this be done to ally minions? If so then it's really broke for a super minion or empowered minions push.
AvacenNik1 votesYeah as long as they fix it soon that would be great I noticed the enemy minion thing too it's very odd just little things to clean up, but still a great champ to play