2: Reel around in circles (5)
3: Apprentice relinquishes heart to temptress (7)
4: The man with lack of skill shows cruelty (13)
5: Deliver a sweetener to mix with your date? (5,4,4)
6: Expose to heat in opening of red-hot kiln (5)
7: Ripen mangoes evenly (3)
8: Eights had to race again, we hear, concerning fish spawn. (2, 3)
13: It involves, initially, my intention to fake right, perhaps? (7)
16: English philosopher in rasher lot? (5)
17: Pieces of improperly lit tachometer returned with malice (7)
18: Part of stair is erect (5)
20: Cronkite, Bradley, and Safer's first network (3)
21: Entertain cable channel hosting Total Recall (5)