1: Half-resembling flashy jewellery (5)
2: Cronkite, Bradley, and Safer's first network (3)
3: 27-across about starting off 1-down world unconditionally (2,3,2,4)
5: Teaching assistants run into hospital facility for shocker (5)
6: Just grazed the pasty? (4-7)
7: Observed, yet seen so poorly (3,4,2)
9: Side with university after regarding the 'left behind' matter (7)
12: Sadly curtail urge for land cultivation (11)
13: I deem turds a regrettable necessity (11)
14: Drug problem for 100, in sum (9)
16: Our tree worked out how to send out in another way (7)
20: Poor year after Eden lost (5)
22: Prom couple steals crown from teen dress up (5)
24: Pronounced ability to smell negative votes (3)
25: Help found in Adelaide. (3)