TBD 45 crossword solution

Across:- 1: [see 21d]; 8: ER; 9: Astor; 10: AOL; 12: woe; 13: always; 14: pig; 15: outer space; 17: ens; 18: all; 20: earthquake; 23: dip; 24: Orsino; 26: raw; 27: end; 28: smart; 29: an; 30: Sirens of Titan.

Down:- 2: fission; 3: Heorot; 4: err; 5: chow; 6: Newspeak; 7: Smeagol; 10: a lost hand; 11: Lara; 16: use power; 17: endures; 19: Lemuria; 21&1a: Rise of the Machines; 22: alumni; 25: inns; 28: sat.