- Ended
Johnny Galecki,Jim Parsons,Kaley Cuoco,Simon Helberg,Kunal Nayyar,Melissa Rauch,Mayim Bialik
- Ended
CaitrĂona Balfe,Sam Heughan,Richard Rankin,Sophie Skelton,John Bell,Charles Vandervaart
- Ended
Penn Badgley,Charlotte Ritchie,Tilly Keeper,Amy-Leigh Hickman,Ed Speleers,Lukas Gage