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.

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.

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

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.