Zac Efron says Baywatch training caused him to suffer from insomnia and 'pretty bad depression'
"Something about that experience burned me out."
Zac Efron on his Baywatch abs: 'I never want to be in that good of shape again'
Efron was on Hot Ones to promote his new show Killing Zac Efron.
Meet Jon Bass: Baywatch's secret weapon
As aspiring lifeguard Ronnie, he scores laughs with his singing, dancing, and genitalia
Michael Phelps tries out for the Baywatch crew in new ad
The 23-time gold medalist has found another use for his swimming skills