Plotnick performed in the July 2012 edition of Don't Tell My Mother! (Live Storytelling), a monthly showcase in which actors, authors, screenwriters and comedians share true stories they would never want their mothers to know.[6]
In 2015 he released the e-book New Thoughts for Actors which he offers for free, writing "I wrote it as a way to give back to my community."[7]
Starting 2018, he has made appearances in Brandon Rogers' videos, starting with a cameo in A Day at the Beach as Lyle Lemon. The video is currently on YouTube and has over 24 million views. He was also featured in Brandon Rodgers' "North Pole Complaints (Offensive)" as Tiny Toni. As of right now, the video has 1.1 million views. In 2019, he made a cameo as Coach Best in Brandon Rogers' Blame the Hero episode 3 and 7, and in 2022, starred as Mr. Stencil in Normal British Series.
Jack produces and stars in satirical videos inserting himself into old Wonderful World of Disney footage.