1: Revolves around a star. (3)

3: He's not joking, it's completely lawless. (2, 3)

5: Rascal and wuss taking week off (3)

6: Chip is describing rare bird call (5)

8: Change in ultimate diet for the evening? (9)

10: Small town, oddly, has room (5)

11: Louse can rise (3)

12: Reportedly, looked at sea serpent as exemplar (5)

13: Fish spawn upstream in little orifices (3)

1: Allies see Resistance being captured by brutes (7)

2: Bite and flip over -- one way to win a wrestling match (3)

3: Turn in diet at night (9)

4: Neil Armstrong, first to return from another world? (5)

7: Head is about to allow artists colour range (7)

9: The cow may do this in the local veterinary yard (5)

11: Neither's partner participated in an orchestra (3)