Regular Show

MAD


 * In the episode Celebrities Without thier Makeup Benson can be seen.


 * In the episode RiOa Mordecai in Rigby made an appearence.


 * In the episode Social Netjerk Mordecai and Rigby are at a party.


 * In the episode 5-second Cartoon Rigby is waiting for Mordecai.


 * In the episode I Am Lorax Mordecai and Rigby are zombies




 * In the episode Regular Shogun Warriors Regular Show gets spoofed.

The Amazing World of Gumball


 * In the episode the Boredom Mordecai,Rigby,and High Five Ghost make an appearenceRegular.jpg]]

Adventure Time


 * A quick refrence to mordecai can be seen in the episode Ketchup.

'''OK .KO.! Let's Be Heroes'''


 * In the episode Crossover Nexus Mordecai can be seen a quick second.