Watch A Behind-The Scenes Video Of Catelynn Lowell & Tyler Baltierra's Clothing Line Launch

The BIG moment!

In a sneak peek clip for Teen Mom OG, Catelynn Lowell and Tyler Baltierra get ready to launch their clothing line, Tierra Reign, but not with a few bumps in the road!

Shortly before the launch, the site was experiencing technical difficulties because so many people were attempting to log into the site. "People are already waiting on the site," she told him. He told Cate, "The systems are crashing!"

Watch the tense moment in the clip above! Teen Mom OG airs Monday nights at 9pm ET, only on MTV!