One of the Fat Boys obviously ogles the breasts of his love interest while they work out, and a cartoony sound effect is added.
Buffy (<a class="ipc-md-link ipc-md-link--entity" href="/name/nm0732515/?ref_=ttpg_gi">Darren Robinson</a>) and Kool (<a class="ipc-md-link ipc-md-link--entity" href="/name/nm0934444/?ref_=ttpg_gi">Damon Wimbley</a>) watch two girls (Skinny Dipper #1 (<a class="ipc-md-link ipc-md-link--entity" href="/name/nm0303058/?ref_=ttpg_gi">Lisa Gallo</a>)) and Skinny Dipper #2 (<a class="ipc-md-link ipc-md-link--entity" href="/name/nm0808860/?ref_=ttpg_gi">Julie K. Smith</a>)) stripping and skinny dipping. Smith is the one who gets out of the pool and goes down the waterslide. Her breasts and butt are shown.
In the Whatever-Happened-To Epilogue, the narrator mentions that Markie (<a class="ipc-md-link ipc-md-link--entity" href="/name/nm1696998/?ref_=ttpg_gi">Mark Morales</a>) had become a sex therapist in private practice, despite not actually getting the proper education.