Tahm Kench bug [GAMEPLAY]

I had a problem in game where Tahm Kench spit me out like a minion when I clearly was a champion (part 1 & 2 links below!)

part 1 https://www.youtube.com/watch?v=NHvAxBpDhsc

part 2 https://www.youtube.com/watch?v=piG8VApnUgE