Oopss! Check Out: Zac Efron's disastrous fall, flat on his face on 'Baywatch' set!

Los Angeles: Actor Zac Efron struggled to keep his cool alongside "Baywatch" co-star Dwayn Johnson as he fell head over heels during an embarrassing moment on the set. Efron tried hard to nail the iconic "Baywatch" run down the beach. The slow-motion jog along the sand is one of the most memorable parts of the classic TV show. SEE PIC: Priyanka Chopra joins her BAYWATCH squad sans BIKINI in Savannah! It all got a bit too much for the star as he ran alongside his co-stars, including Johnson, and ended up slipping and hitting the ground, reports mirror.co.uk. Hotness Alert! Zac Efron goes shirtless on ‘Baywatch’ set- SEE PICS Later, he couldn't resist sharing an image of the hilarious moment on Twitter. He wrote: "*think cool thoughts * run cool- hit em w/ that COOL #Baywatch run...

*think cool thoughts* run cool- hit em w/ that COOL #Baywatch run... Oh yeah, Feelin it *think coo- AGH WTF #notcool pic.twitter.com/XrbvPhCoGC

— Zac Efron (@ZacEfron) April 26, 2016

"Oh yeah, Feelin it *think coo- AGH WTF #notcool (sic)" IANS