'A real life horror film': Terrified viewers watch from edge of their seats as SNAKES hunting as a pack chase down baby iguana in amazing footage for BBC's Planet Earth II that even shocked Sir David Attenborough

on the edge of our seats we were

Poor little fella was in a living nightmare.

We all watched this completely in awe it was brilliant.

That scene was definitely the highlight of the episode, amazing footage. Can't wait to see what they've got in store next week... Attenborough and the BBC is a team that never lets you down.

Great episode last night looking forward to this 6 part series.

The BBC make fantastic Nature documentaries. Love it.

Absolutely great programme, well done David Attenborough and your team for showing it how it is...

I've never felt so many different emotions watching a tv documentary, well done to everyone involved, fantastic photography.

Yeah,but how did they feel when that sole iguana-having already been caught-still managed to make it to the rocks?He/She Gets the 'TV Winner Of The Year 2016'in my book....

The racer snakes keep the iguana population under control, it's all about balance, something we humans still need to learn.

I obviously didn't liked the snakes but I wasn't one of those people who are terrified of them , but after watching last night this I think I have new phobia now , the show was amazing tho can't wait for next week .

It was horrible the way they just seemed to appear from nowhere and the speed they moved at was terrifying. Even if the iguana outran them, there were always others ahead to ambush them. I no snakes have to eat too, but they were really creepy.

Well done David Attenborough and the wonderful camera team who captured it all Fascinating viewing.

How can people watch this when the fantastic x factor has got the lot in abundance a giant lizard ,a big slimy snake -a monster gorrila with sunglasses on and 2 female plastic blow up dolls.

David Attenborough is amazing ,my son is doing a wild conservation degree so any David Attenborough programmes he never misses .I missed it but fully intend to watch it in catch up .My son rang me to say you have to watch it ,he said they were watching in his uni flat all rooting for the iguana to out race the snakes .

If even a fraction of my TV License money is going towards this show. Then i'm happy to be paying it. Cinematography 10/10 ... David Attenborough 10/10.

Loved it, I never knew Sloth's could swim.

Its funny, but the bit at the start with the sloths really reminded me of an old pal called Mick, he looks the same, has the same expressions as the sloth, but was was really similar was the sloths swim over to find a mate. Mick would often look like that on his way to the off licence to get a can of Tennents Super, it was an epic journey for him, especially in the winter..... but the funniest part for me was when the sloth found his mate only to realise she already had a baby........the look on its face!......same as Mick when he eventually gets to the off licence only to find that its shut!

Racer snakes chasing iguanas? Nope I'm still shocked at DM praising anything the BBC has done. And shouldn't Attenborough be called a 'Luvvie' or 'Leftie'? Jeez, it's almost like I'm reading a sensible newspaper.

Very good filming, and excellent music!