2 minutes in episode 1, we see Fab Filippo's pubes and butt. Then we see his hairy butt crack and in briefly in between his legs what appears to be a sock on his dick.
3 minutes in episode 1, on one frame we see Randy Harrison's dick.
41 minutes in episode 1, we see Justin Tensen naked. We briefly see his balls and uncut dick, and then his nice butt. We also see Gale Harold's butt.

10 minutes in episode 1, we see Gale Harold's butt in a jock strap and then he removes it, revealing his bare butt.
31 minutes in episode 1, we see parts of Gale Harold's dick.
32 minutes in episode 1, we see Randy Harrison's balls.
35 minutes in episode 1, we see Gale Harold's thick cut dick

3 minutes in episode 3, we see Gale Harold's butt again.