On 'Heroes' season 4 episode 10, 'Thanksgiving,' Hiro and Lydia traveled back in time to find out the truth on how Joseph died.

Thanksgiving dinner was a bit awkward at H.R.G's house when he invited co-worker Lauren over and Sandra brought her new boyfriend as well. Then, Claire sprung a big surprise on everyone at the dinner table. She and Gretchen ended up going on a roadtrip for the rest of their Thanksgiving break -- to the Carnival.

Watch the full episode after the jump!