Reptar's Surprise Visit is a custom episode from Season 6. It first aired on Sunday, March 7, 1999 with Angelica Outta Her Mind!. It is based on the storybook of the same name.
The Pickles Family hire a man in a Reptar suit for the Rugrats' party.
During the credits, Tommy is talking to Reptar about how much fun they had at the party.