Regular Show 3x39 "Bad Kiss"

After seeing a movie, Mordecai and Rigby go back to the house with Margaret and Eileen. While Mordecai tries to find his wallet in the car, Margaret comes in to try and help. It is then when they finally kiss, but Margaret pushes Mordecai away because of his breath. He gets help from a Time Machine that Rigby bought at a yard sale. After several attempts to give The Past Mordecai a mint, they accidentally teleport him to the present. Mordecai explains to himself about the kiss but The Past Mordecai doesn't believe him. He takes Rigby's Time Machine and teleports himself back to the bathroom, luckily, Rigby had a spare. After a wild chase, The Past Mordecai tries to kiss Margaret, but everything goes back to normal when Rigby sends The Past Mordecai back earlier in the day and breaks both time machines. Then Mordecai is back the way the kiss was going to be, but Mordecai finds his wallet and the whole event never happened.