The Sexy Discretion Shot in "Once Burned" that fades to black with Terry and Melanie making out on his bed and then cuts back in several hours later. Does anyone really think they were just talking until sundown?
Right afterwards, when Melanie asked Terry if he was still attracted to her. We are then given quite a bit of Male Gaze of Melanie's body.
The episode "Eggbaby": At the end, where the teacher quips, "Who knew that [Terry] would make such good father material?" the look Dana shoots him suggested more baby making than baby raising.
The look Terry makes in response solidifies this. You can hear him mentally screaming "Oh jeez she wants a baby..."
Also, when Aaron and Inque are in his apartment, Aaron comments on how it'll be hours before it's dark enough for her to go outside, to which Inque responds with "well, maybe we'll think of something to keep us "busy" until then" and she says it in a rather "sexual" tone.
And right after that, she turns on the TV: "Forecasts call for cold showers tonight..."
Inque shutting up Batman by making out with him. Inque has a daughter that is about Terry's age.
Speaking of Inque and new Batman, she once tried to kill him by forcing herself down his throat, thus drowning him with her own body. Bruce does save in time, though.
At the beginning of "Inside Peak" a reporter shows footage of Paxton Powers at a pool party.
In the episode "Hooked Up", a groupie asks a rock star for his autograph; as she tells him, "You can sign me anywhere you want," she begins to lift up her shirt.
There's a particularly vague one in "Dead Man's Hand", during the Cold Open when the Royal Flush Gang robs the yacht. Ten snatches a necklace from a blonde, claiming "you'll get a new one soon enough" and Jack says "she earns hers the old-fashioned way".
He might have been implying she was a gold-digger. That works even better, implying that whoever she's with is her sugar daddy.
Also in the same opening: one of the yacht party-goers grabs a sword to fend off King of the Royal Flush Gang, who also has a blade. The party-goer's opening quip? "Mine's bigger." Bonus points for the creepy smirk he has while saying it.
Rich Guy:(After picking up a harpoon in self-defense) Mine's bigger than yours.
King: All that money and not an ounce of refinement.
In the same episode, at one point, when Terry and Melanie are walking together, Melanie grabs onto a pole and begins making some rather…suggestive moves. It's pretty obvious that she's pole dancing.
In Splicers we see several people injected with the splicer juice. Even without needles, it's clear that the tubes were syringes-you get to see the liquid inside go down once they hit the skin. We even see Terry injected against his will and Cuvier essentially overdose.
Now that is probably the best "don't do drugs" episode ever. Splicing has all the hallmarks: Altered behavior (increased aggression, decrease in thought process the more you take), an odd dependency by the Ram-Guy, hustling "norms" to do it, debates over legality that involve "impartial tests" and the justification by Dana which took the cake: "The law's against everything we're into." Now, doesn't that sound like most teens justifying doing drugs (among the other things teens often do)?
"Hooked Up" has an even more blatant "Don't do drugs" allegory (the title itself is slang for doing drugs). In this case, it's a virtual reality simulator that lets people live their ultimate fantasies, like being a rock star; the trademarks include: severe withdrawal for anyone who leaves the VR, people willing to resort to stealing to get enough units to pay for more VR time, violent irrational behavior, using VR to escape reality because it makes them happier (many an addict's justification for doing drugs).
One of the girls even OD'd on the VR! Onscreen! How did THAT get through?
The premise of the illegal Sex Bot episode alone may qualify for this, but there's also the bit where Howard takes Cynthia up to his bedroom during his party and is asked, "So are you two going to the private party?"
In "Revenant", when the students are wondering if deceased student Garrison Jacobs is behind unexplained events, the girls all remark on how gorgeous he is, especially Chelsea:
Chelsea: He can haunt my castle anytime!
A pretty good one in "Terry's Friend Dates a Robot":
Howard (behind a door): "Wait, Cynthia! What're you... Cynthia! "