PETER FARRELLY

In 1967 "Chickie" Donohue, a merchant seaman, was inspired to deliver beers to buddies who were fighting in an unpopular war. And so, he packed up some suds and sailed for Vietnam to track them down.

In 1967 "Chickie" Donohue, a merchant seaman, was inspired to deliver beers to buddies who were fighting in an unpopular war. And so, he packed up some suds and sailed for Vietnam to track them down. That quixotic adventure inspired the new dramedy "The Greatest Beer Run Ever," directed by Peter Farrelly, an Academy Award-winner for "Green Book." CBS News national security correspondent David Martin talks with Farrelly, star Zac Efron, and with Donohue, who describes how his experience changed his view of the war.

The movie "The Greatest Beer Run Ever" recounts the unbelievably true story of "Chickie" Donohue, who in 1967 sailed to Vietnam to deliver beers to his buddies fighting the war. In this "Sunday Morning" exclusive, actor Zac Efron describes filming a tense scene with an unusual, many-legged co-star: a giant venomous centipede.

When the 47th Toronto International Film Festival unfolds beginning Thursday, it will follow two editions that were much diminished by the pandemic.

Two young men who caused a sensation four years ago when they created their own gory zombie movie are back, this time in a documentary championed by a Hollywood luminary.