New Delhi, April 23 -- You might not realize it, but watching Zach Galifianakis poke around in the dirt like he's just discovered it is exactly what you need right now.

In "This Is a Gardening Show," a six-part series premiering April 22 on Netflix for Earth Day, the actor and comedian brings a kind of wide-eyed curiosity to gardening that feels at once sincere and ridiculous.

The episodes run an easily digestible 15 to 20 minutes each - just long enough to learn something new without feeling overwhelmed.

Learning from experts.

Galifianakis, who says he's been gardening "on and off" for 25 years, doesn't come across as polished, but it's clear he's not trying to. Instead, he leaves experts in charge of their own domains - apples, toma...