Spike makes a new friend in the form of Kevin the Changeling. However, he is met with a lot of chagrin from the Crystal Empire. When Twilight caught wind of this, she too confronts Spike over him making friends with a Changeling.
Spoilers for Season 6, specifically "The Times, They Are A Changeling"
Trigger Warning: Arguments, hitting, Changelingphobia, political allegories on par with Angry Birds and Zootopia, and ponies being BTFO, also, rape by deception is mentioned
Spike's vector is done by Chrisgotjar