Super-strong despite the occasional knock-back, 2015 was a phenomenal year for the Mercedes driver who claimed his third title.
We pick out our top 10 moments of F1 in 2015, featuring the good, the bad and ugly of life in the fast lane on and off the track.
Examining the six key reasons behind Lewis Hamilton's successful defence of the F1 world championship in 2015.
In part two of our rundown of the F1 season in pictures, we pick up the story just before the summer break.
How much do you remember about the 2015 F1 season? Put your knowledge to the test with these 10 teasers.
The best pictures from F1 2015 - all in one place. In part one, we chart January to July in the F1 year just gone.
Rookie of the year Max Verstappen completed the most passing moves during 2015, but there was a 20% drop in overtaking.
From skiing in Colorado to breakfast-in-bed, what some of F1's famous names are up to during the sport's on-track shutdown.
F1 Midweek Report guest Will Buxton has blasted Red Bull for having a "childish mentality" during the 2015 F1 season.
Watch Midweek Report 2015 Season Review with guests Will Buxton, Stoffel Vandoorne and Graeme Lowdon.
Bernie Ecclestone sits down with Sky Sports News HQ's Craig Slater to discuss a wide range of topics affecting F1.
Sky Sports F1's Ted Kravitz and Martin Brundle give their verdict on the performances of all 10 teams in 2015.
Lewis Hamilton and Nico Rosberg have been harshly treated by Mercedes' warning they could be dropped, says Sky F1's Ted Kravitz.
Throughout 2015, Sky Sports have rated the drivers out of 10 following each Grand Prix of the season, but who came out on top?
What was the F1 moment of 2015? Or the most memorable race and overtake? And what was the year's lowlight? Sky Sports charts F1's 2015
Sky F1's Martin Brundle on what has caused the shift in the balance of power at Mercedes - and what F1 must do for 2016...
After successive title doubles for Mercedes, and a year of misery for McLaren and Red Bull, could 2016 deliver a different tale?
Lewis Hamilton redefines the model F1 driver, McLaren-Honda rush back, and Nico Rosberg is better when the pressure is off.
Rounding up some of the most telling - and surprising - statistics from the F1 season just gone from one to 15.