The DigiDestined encountered the Numemon in the sewers after making it out of the factory that Andromon was in. Some were seen in fake vending machines where one of them tried to get a date with Mimi and got angry when she turned him down. The Numemon chased them, leading each of the DigiDestined into Monzaemon which scared the Numemon away. Monzaemon captured all the DigiDestined except Mimi and Palmon. The Numemon later appeared to protect Mimi from Monzaemon before Palmon digivolved to Togemon and beat the Black Gear out of him.