Nathan makes a big bet.

Nathan experiments on animals – and himself.

In his search for a solution, Nathan draws from his past.

Nathan travels to LA to train actors for his show.

The aftermath of a birthday party causes Nathan to re-evaluate his entire project.

Nathan Fielder helps a Brooklyn-based trivia aficionado come clean to his teammate about a long-held lie.

Nathan decides to put his resources into something big.

After a visit from his parents, Nathan struggles to stick up for his values.

A young man's romantic life poses a challenge for Nathan.

While Angela continues to raise her “son,” Nathan goes to new lengths to help a man prepare for a difficult conversation.

Nathan heads to Washington.

Nathan allows an Oregon woman to prepare for motherhood by simulating the experience of raising a child from zero to eighteen.