Thank you, as always, for your kind attention. My partner and test-solver is asleep right now, so apologies for any unfairnesses.
1A: dd. "Stick"; "Keep playing baseball?" (i.e. BAT ON, in the way of "trudge on)
4A: "Excited"; CAMPED ("Stayed the night outside") minus the first letter ("without a hat")
5A: dd. "Game"; "Sprints"
1D: "Weave together"; BRA ("lingerie") + ID ("unconscious desire")
2D: "Animal"; PI ("Pi") in TAR ("film"). I hope "Tar" is enough in the public consciousness for this clue to be enjoyable, because without it this poor animal would have to be stuck in pitch!)
3D: "Lumps"; NODS ("Agrees"), "taking" E ("estrogen")