They don't buy it, so Tesla grudgingly admits to throwing a party.
No, I just let a few, y'know, fans drop by and– Robin: First I get a call from Batman, and now the alarms are going off.
It doesn't go as planned.
A mainstay of the classic teen comedy movie, but usually seen at least once in every that has a teenaged character, this is the inevitable result of mixing one or more teenagers with a house devoid of parental figures, who are usually away for the weekend.
Furthermore, Penny's parents are involved from the very beginning.
The second is a birthday party that the boys gatecrash and it's hardly wild, especially as the boys simply stand around not talking to anyone.