Thread:Suminoma/@comment-24527343-20161022002925/@comment-24527343-20161024190050

I meant to respond to this sooner.

In that case, Markiplier appeared in an episode of MatPat's GAME LAB, so would that count?

While on the subject, Markiplier appeared on Smosh Games in the episode MARKIPLIER KILLS US of the series Button Bash.