From bedroom antics to bungee jumping, how our brains produce a natural pharmacy of potent pleasure drugs.

7/10. A driver is seriously injured when his vehicle smashes into a tree.

6/8. Adam and Teresa think their six-year-old son is acting like a stroppy teenager.
Dr Tanya Byron thinks they are missing the root of the problem.

Glossy detective thriller starring Morgan Freeman and Ashley Judd. When the niece of police psychologist Dr Alex Cross disappears in North
Carolina, he discovers she has been snatched by a serial kidnapper known as "Casanova". The doctor's best hope to save her is Kate McTiernan , the only woman to have escaped the abductor's clutches. Playing uncut. Review page 59.

FU Did punk really change the world or was it overblown hype? Self-confessed middle-aged punk Ross charts the rise, demise and legacy of a movement that outraged an unsuspecting establishment in 1976. Punk icons are among those on hand to help place the music, art and fashion in a historical context.
See Saturday's choice.

Ricki spends Thanksgiving with her "adult family", while a client takes Dallas gambling in Reno.