It's 2015, and for some unknown reason, there are still humans out there oblivious to common plane courtesy.
Expedia recently conducted a poll to find out travelers' biggest airplane pet peeves, and Jimmy Kimmel -- with the help of the one and only Sir Patrick Stewart -- demonstrated these atrocious acts his show Tuesday.
But, to be honest, if Stewart was kicking our seat on a flight, we'd forgive him -- because he's just so damn charming.