Grandpa Danger is a show that understands the specific comedy of a senior citizen with absolutely no filter and no consequences. Every gag is built on the premise that this man will do something disgusting in the most casual way possible, and his grandson has to witness all of it. The humor lives in the gap between how aggressively unhinged Grandpa is and how much his grandson's exasperation sells every single bit.

Grandpa Danger is an old man who acts as the great protector of his own world, a comedy short where everyday life turns hazardous at every step. He is an expert at tumbling off cliffs, handling a school principal with a crippling inferiority complex, and escaping the hidden perils that lurk in sleep. He is also a nonsensical and thoroughly gross prankster who never lets up. His endless phlegm and farting drive his grandson to wild extremes of frustration, and the gross-out gags are pushed as far as they will go in the name of laughs.