Booth and Brennan get together off-screen between seasons 6 and 7 of Bones. Their relationship is consummated in the second to last episode of season 6, titled "The Hole in the Heart" (episode 22), where they spend the night together after Brennan is shaken by the death of an intern. However, the actual moment of them getting together is not shown on screen; it is revealed through dialogue and subsequent events. By the season 6 finale, Brennan announces she is pregnant with Booth's child, confirming their relationship

. Their first on-screen kiss happens much earlier, in season 3, episode 9 ("Santa in the Slush"), where they kiss under the mistletoe, but this did not lead to them officially becoming a couple at that time

. The show portrays a slow-burn romance with many years of will-they- won't-they tension before they finally become a couple off-screen in season 6. In summary:

• First kiss: Season 3, Episode 9 (on-screen)
• Officially get together: Off-screen between Season 6 episodes 22 and 23, consummated in "The Hole in the Heart" (S6E22)
• Pregnancy revealed: Season 6 finale (S6E23)