There on Tusday and Wendsday.
Chat with our AI personalities
You get it in the Bug Catching Contest
Try catching a level 35 or above a level 32 is ok if there are no bug catchers
in the bug catching contest
In heart gold, you win the bug catching contest by catching the best bug type Pokemon. The score of the Pokemon you catch is based upon both it's stats and the amount of Hit Points it has left when you catch it.
The days that the Bug Catching Contest takes place every Tuesdays, Thursdays, and Saturdays.