Pack up the beakers and Bunsen burners, stop worrying about atomic weight and absolute temperature - it's time for 'The Nerdist' on BBC America!

Tonight, Chris Hardwick welcomes heartthrob Jon Hamm from 'Mad Men,' and the very talented Betsy Brandt from 'Breaking Bad.'

Join us as Matt and Jonah attempt to write a mash up script of both their shows, and enlist a little surprise help from 'Mad Men' actor Rich Sommer - aka Harry Crane - to give it that extra oomph!

All this plus comedian Rory Scovel and 'Doctor Who' alum, Arthur Darvill, joins the fun tonight, on 'The Nerdist.'

The Nerdist Season 2 Episodes...

• s02e01 - Matt Smith; Jenna-Louise Coleman; Dominic Monaghan; Tatiana Maslany; Matt Kirshen
• s02e02 - Robert Kirkman; Michael Rooker; Karen Gillan; Kyle Kinane
• s02e03 - Jon Hamm; Betsy Brandt; Rory Scovel
• s02e04 - Elijah Wood; Ben Schwartz; Kumail Nanjiani; Katie Crown
• s02e05 - Joseph Gordon-Levitt; Gillian Jacobs; Paul Scheer; Rob Huebel
• s02e06 - Jack McBrayer; Eliza Dushku; Joe Keckler
• s02e07 - Buzz Aldrin; Bobak Ferdowsi; Maria Bamford
• s02e08 - Stars of 'True Blood' and 'Homeland' on 'The Nerdist!'
• s02e09 - Guillermo del Toro; Katee Sackhoff; Ron Funches
• s02e10 - Seth Rogen; Evan Goldberg; Zach Galifianakis; Natasha Leggero

The Nerdist Show Summary

Based on the popular Nerdist blog and podcast, with Nerdist creator Chris Hardwick.

An hour where Chris and guests chat on all things nerds love, from pop culture and news to tech trends and more.