Ep 15. Snakes, Trains, and Digimon

Takato is depressed after Henry and Rika have previous commitments and can't go Digimon patrolling, but he feels better when he goes with Guilmon to play with his school friends. But soon the Snake Deva Digimon, Sandiramon, attacks leaving Rika and Henry to fight it on their own, until Impmon helps out and tells Takato they need him.