This video walkthrough will show you how to get all 7 bots, 3 puzzle pieces and secret exit in the Bathhouse Battle level of Astro Bot.
You can find the video, along with the time stamps, below:
0:12 Bot #1
0:24 Puzzle #1
0:53 Bot #2
1:44 Bot #3
2:30 Bot #4
3:17 Puzzle #2
3:35 Bot #5
4:06 Bot #6
4:36 Puzzle #3
4:59 Bot #7
6:12 Secret Exit