ANSWERS

1. Shoes

2. Channel No 5

3. Orchid

4. Strength of Shark Bites

5. Ben Hur - horses on his chariot

6. The Moon

7. An ant

8. Official Hangmen - Harry Allen and Robert Leslie Stewart (who were the last two hangmen of Britain) performed their last act simultaneously on the 13th of August 1964 at different prisons. Thanks to Alan Jameson for correcting this question.
Allen's most controversial case was that of James Hanratty, hanged on 4 April 1962 at Bedford Prison for the A6 murder case, although efforts to clear Hanratty's name continued until 2001 when DNA testing matched Hanratty to the crime scene

9. First Pregnancy

10. They are all really called Terence

11. Cobra

12. Tweety Pie

13. They were all Circus Performers

14. Trombone

15. A Dragon

16. Freshwater Snails

17. Prestidigitation

18. Janis Joplin

19. Shaven pubic hair

20. (Saut?ed) Spinach