Conversation so far:
What happened in 2012 with Ric Flair?
On March 31, 2012, while still contracted to TNA, Ric Flair became the first person to be inducted into the WWE Hall of Fame twice.
Why was Ric Flair inducted two times into the WWE Hall of Fame?
Ric Flair's second time inducted into  WWE Hall of Fame was part of the class of 2012 with The Four Horsemen.
Who were the other members of the Four Horsemen of professional wrestling besides Ric Flair?
Besides Ric Flair, The Four Horsemen in professional wrestling were Arn Anderson, Ole Anderson and Tully Blanchard.
Did Ric Flair wrestle again after 2012?
Ric Flair appeared on the April 28, 2014, episode of Raw, alongside the reunited Evolution and The Shield
Has Ric Flair done anything else since appearing on the 2014 episode of Raw?
On the post-SummerSlam Raw in August 2015, Ric Flair interrupted Jon Stewart, who had saved Flair's 16 world title record by preventing Cena's victory the previous night.

Question: Did he make additional appearances in wrestling?
Self-contained rewrite: Did Ric Flair make additional appearances in wrestling besides SummerSlam Raw in 2015?