Shaquille O'Neal isn't one to back down when it comes to facing challenges. ET spoke to the 48-year-old star to talk about his upcoming special as part of Discovery's Shark Week 2020, in which he and YouTube stars Dude Perfect and Mark Rober determine what shark has the perfect predatory attack.Back in 2018, Shaq memorably got stuck in a cage with a shark while trying to overcome his fear of the animals during his special .