"This Is Us" Exclusive: Beth's Lucky Charms Concerns Randall

They're magically delicious...but is Beth okay? Randall worries about his wife, who is deep in a box of Lucky Charms. Watch an exclusive clip from "This Is Us"!

They're magically delicious...but is Beth okay? Randall worries about his wife, who is deep in a box of Lucky Charms. Watch an exclusive clip from "This Is Us"!